Common Weakness Enumeration
CWE-121
AllowedStack-based Buffer Overflow
Abstraction: Variant · Status: Draft
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
5819 vulnerabilities reference this CWE, most recent first.
CVE-2026-75784 (GCVE-0-2026-75784)
Vulnerability from cvelistv5 – Published: 2026-08-18 14:00 – Updated: 2026-08-20 17:20
VLAI
EPSS
VEX
Title
TRENDnet TEW-WLC100 HTTP Header nginx FUN_0040da4c stack-based overflow
Summary
A vulnerability was detected in TRENDnet TEW-WLC100 1v2.07b01. Affected by this issue is the function FUN_0040da4c of the file /usr/nginx/sbin/nginx of the component HTTP Header Handler. The manipulation of the argument Server results in stack-based buffer overflow. The attack may be launched remotely. The exploit is now public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 15:52 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/391525 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/391525/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-75784 | third-party-advisory |
| https://vuldb.com/submit/877773 | third-party-advisory |
| https://github.com/meishigana/CVE/tree/main/team1… | related |
| https://github.com/meishigana/CVE/blob/main/team1… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TRENDnet | TEW-WLC100 |
Affected:
1v2.07b01
cpe:2.3:a:trendnet:tew-wlc100:*:*:*:*:*:*:*:* |
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CVE-2026-75783 (GCVE-0-2026-75783)
Vulnerability from cvelistv5 – Published: 2026-08-18 12:45 – Updated: 2026-08-18 13:29
VLAI
EPSS
VEX
Title
TRENDnet TEW-WLC100P DHCP blobmsg netifd stack-based overflow
Summary
A security vulnerability has been detected in TRENDnet TEW-WLC100P 12.07b01. Affected by this vulnerability is an unknown functionality of the file /sbin/netifd of the component DHCP blobmsg Handler. The manipulation leads to stack-based buffer overflow. The attack must be carried out from within the local network. The exploit has been disclosed publicly and may be used.
Severity
9.6 (Critical)
9.6 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 13:29 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/391524 | vdb-entry |
| https://vuldb.com/vuln/391524/cti | signaturepermissions-required |
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| https://github.com/meishigana/CVE/tree/main/team1… | related |
| https://github.com/meishigana/CVE/blob/main/team1… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TRENDnet | TEW-WLC100P |
Affected:
12.07b01
cpe:2.3:o:trendnet:tew-wlc100p_firmware:*:*:*:*:*:*:*:* |
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CVE-2026-75676 (GCVE-0-2026-75676)
Vulnerability from cvelistv5 – Published: 2026-09-22 18:52 – Updated: 2026-09-23 03:56
VLAI
EPSS
VEX
Title
Bridge | Stack-based Buffer Overflow (CWE-121)
Summary
Bridge is affected by a Stack-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 00:00 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow (CWE-121)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/bridge/… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Adobe Bridge |
Affected:
0 , ≤ 16.0.6
(semver)
Unaffected: 16.0.7 (semver) |
|
| Adobe | Adobe Bridge |
Affected:
0 , ≤ 15.1.7
(semver)
Unaffected: 15.1.8 (semver) |
Date Public
2026-09-22 17:00
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CVE-2026-75142 (GCVE-0-2026-75142)
Vulnerability from cvelistv5 – Published: 2026-08-19 16:24 – Updated: 2026-08-27 16:25 X_Open Source
VLAI
EPSS
VEX
Title
FFmpeg Stack Buffer Overflow in MPEG-PS Muxer via mpegenc.c
Summary
FFmpeg before commit 9d786e4 contains a stack buffer overflow in the MPEG-PS muxer (libavformat/mpegenc.c). When muxing input with more streams than the muxer's fixed-size stack buffer accommodates, the buffer is overflowed. A crafted input with an excessive number of streams triggers the overflow during MPEG-PS muxing.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 03:55 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24087 | issue-tracking |
| https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/9d78… | patch |
| https://www.vulncheck.com/advisories/ffmpeg-stack… | third-party-advisory |
Impacted products
Date Public
2026-08-04 00:00
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CVE-2026-75126 (GCVE-0-2026-75126)
Vulnerability from cvelistv5 – Published: 2026-08-28 15:33 – Updated: 2026-09-01 20:28
VLAI
EPSS
VEX
Title
PLANET GS-4210-16P2S V3 Stack Buffer Overflow via dispatcher.cgi Standard Handlers
Summary
PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains multiple authenticated stack buffer overflow vulnerabilities in /cgi-bin/dispatcher.cgi. The following handlers copy attacker-controlled POST parameters into fixed-size stack buffers without length validation: web_vlan_membership_edit_dialog_post; web_dai_vlan_post; web_poe_alive_rmtip_post; web_sys_sntp_post; web_tool_upgradeManager_post; web_port_countersClr_post; web_rmon_statisticsClr_post; web_cablediag_copper_post; web_aaa_*Authlist* handlers; web_acl_mgmt_Rules_Apply_post; web_acl_mgmt_Rules_Edit_post; web_acl_*AceDel_post handlers; web_acl_*AceAdd/Edit_post handlers; web_acl_bindAdd_post; web_acl_bindEdit_post; web_snmp_v3view_add_post; web_snmp_v3group_add_post; web_snmp_v3community_add_post; web_snmp_v3host_add_post; web_snmp_notifyv3_add_post; web_snmp_v3user_add_post; web_snmpv3_remote_engineId_add_post; web_stp_globalSetting_post; web_isg_db_post; web_tacplus*_post handlers; web_dhcp_option82_post; and web_dhcp_port_option82_cid_post. A remote authenticated attacker can send crafted requests to crash the CGI process or web management service, resulting in denial of service.
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 18:41 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.planet.com.tw/en/support/security-adv… | vendor-advisorypatch |
| https://www.vulncheck.com/advisories/planet-gs-42… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PLANET Technology Corp. | PLANET GS-4210-16P2S V3 |
Affected:
0 , < 3.441b260626
(custom)
|
Date Public
2026-08-27 00:00
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CVE-2026-75118 (GCVE-0-2026-75118)
Vulnerability from cvelistv5 – Published: 2026-08-28 20:31 – Updated: 2026-09-01 14:46
VLAI
EPSS
VEX
Title
http_gdpr_decrypt Pre-Authentication Stack-Based Buffer Overflow
Summary
A pre-authentication stack-based buffer overflow vulnerability exists in the http_gdpr_decrypt function of TL-MR100 V3.20 due to insufficient bounds checking of encrypted requests to the /cgi/login endpoint. An adjacent unauthenticated attacker with access to the router's web management interface can trigger memory corruption and potentially achieve arbitrary code execution.
Successful exploitation can overwrite saved control-flow data on the httpd process stack prior to authentication, resulting in a service crash or potential arbitrary code execution in the context of the affected process.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-01 03:56 UTC
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/en/support/download/tl-mr… | patch |
| https://www.tp-link.com/en/support/faq/5271/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | TL-MR100 v3.20 |
Affected:
0 , < (EU)_1.3.0 Build 260609
(custom)
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CVE-2026-74843 (GCVE-0-2026-74843)
Vulnerability from cvelistv5 – Published: 2026-08-17 11:15 – Updated: 2026-08-17 14:44
VLAI
EPSS
VEX
Title
Wavlink WN531P3/WN535M1 Export Pingortrace CGI export_pingortrace.cgi strcpy stack-based overflow
Summary
A vulnerability was determined in Wavlink WN531P3 and WN535M1 V250922. Affected by this vulnerability is the function strcpy of the file /etc/lighttpd/www/cgi-bin/export_pingortrace.cgi of the component Export Pingortrace CGI. Executing a manipulation of the argument HTTP_COOKIE can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 14:44 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/391205 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/391205/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-74843 | third-party-advisory |
| https://vuldb.com/submit/875331 | third-party-advisory |
| https://github.com/wcndsb-sketch/WAVLINK_WN535M1-… | exploit |
Impacted products
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CVE-2026-73600 (GCVE-0-2026-73600)
Vulnerability from cvelistv5 – Published: 2026-09-03 08:21 – Updated: 2026-09-04 03:55
VLAI
EPSS
VEX
Summary
Dell PowerProtect Data Manager, versions 20.2.0.0 and below, contain a stack buffer overflow vulnerability in file-level restore agent. A high privileged remote attacker could potentially exploit this vulnerability, leading to Information disclosure.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-03 00:00 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/00050145… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | PowerProtect Data Manager |
Affected:
0 , < 20.3.0.0
(semver)
|
Date Public
2026-08-24 06:30
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CVE-2026-73522 (GCVE-0-2026-73522)
Vulnerability from cvelistv5 – Published: 2026-08-17 17:53 – Updated: 2026-08-18 14:53 X_Open Source
VLAI
EPSS
VEX
Title
COVESA Open1722 0.9.2 Stack Buffer Overflow via avtp_to_can() in acf-can-listener
Summary
COVESA Open1722 through 0.9.2 contains a stack buffer overflow vulnerability that allows unauthenticated remote attackers to write past the end of a fixed 15-slot stack array by sending a crafted UDP datagram containing more than 15 ACF-CAN messages. The avtp_to_can() function increments its write index without bounding it against the caller-supplied array size, and because the listener accepts datagrams from any sender matching a hardcoded unauthenticated stream ID transmitted in plaintext, attackers can corrupt adjacent stack memory to achieve arbitrary code execution or denial of service.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 14:53 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/COVESA/Open1722/issues/154 | issue-tracking |
| https://www.vulncheck.com/advisories/covesa-open1… | third-party-advisory |
Date Public
2026-08-13 00:00
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CVE-2026-73070 (GCVE-0-2026-73070)
Vulnerability from cvelistv5 – Published: 2026-08-11 15:21 – Updated: 2026-08-11 15:58
VLAI
EPSS
VEX
Title
Vim: Stack Buffer Overflow in the Vim Socket Server
Summary
Vim is an open source, command line text editor. Prior to 9.2.0842, the socket server backend in src/socketserver.c accepts unbounded client connections in socketserver_accept(), causing descriptors to overflow fd_set structures in src/channel.c and fixed-size struct pollfd arrays in src/os_unix.c, which allows a local process that can connect to the server socket to corrupt stack memory or terminate the Vim server. This issue is fixed in version 9.2.0842.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 15:56 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/vim/vim/security/advisories/GH… | x_refsource_CONFIRM |
| https://github.com/vim/vim/commit/5598618b2daf8e3… | x_refsource_MISC |
| https://github.com/vim/vim/releases/tag/v9.2.0842 | x_refsource_MISC |
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Mitigation MIT-10
Operation
Build and Compilation
Strategy: Environment Hardening
- Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
- D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation
Architecture and Design
Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation
Implementation
Implement and perform bounds checking on input.
Mitigation
Implementation
Do not use dangerous functions such as gets. Use safer, equivalent functions which check for boundary errors.
Mitigation MIT-11
Operation
Build and Compilation
Strategy: Environment Hardening
- Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
- Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
- For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].
No CAPEC attack patterns related to this CWE.