CVE-2023-28770 (GCVE-0-2023-28770)

Vulnerability from cvelistv5 – Published: 2023-04-27 00:00 – Updated: 2025-01-31 18:42
VLAI Previdian
Summary
The sensitive information exposure vulnerability in the CGI “Export_Log” and the binary “zcmd” in Zyxel DX5401-B0 firmware versions prior to V5.17(ABYO.1)C0 could allow a remote unauthenticated attacker to read the system files and to retrieve the password of the supervisor from the encrypted file.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-31 18:41 UTC
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-203 - Observable Discrepancy
Assigner
References
Impacted products
Vendor Product Version
Zyxel DX5401-B0 firmware Affected: < V5.17(ABYO.1)C0
Create a notification for this product.
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 40cc6da2-f9f6-42ca-9a98-8b1dc01e9615

Vulnerability ID: CVE-2023-28770

Status: Confirmed

Status Updated: 2023-04-27 02:00 CEST

Exploited: Yes

Timestamps
First Seen: 2023-04-27
Asserted: 2023-04-27
Scope
Notes: The sensitive information exposure vulnerability in the CGI “Export_Log” and the binary “zcmd” in Zyxel DX5401-B0 firmware versions prior to... | Affected: Zyxel / DX5401-B0 firmware | CVSS: 7.5 (HIGH) | EPSS: 0.57778 | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: previdian

Details
Feed Previdian (previdian.com)
Title The sensitive information exposure vulnerability in the CGI “Export_Log” and the binary “zcmd” in Zyxel DX5401-B0 firmware versions prior to...
Cve Id CVE-2023-28770
Vendor Zyxel
Ghsa Id None
Product DX5401-B0 firmware
Added Date 2023-04-27T00:00:00.000Z
Cvss Score 7.5
Epss Score 0.57778
Previous Ids
Cvss Severity HIGH
Virtual Patch False
Cvss Estimated False
Epss Percentile 0.99061
Used In Malware unknown
Vulnerability Id CVE-2023-28770
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-10-02 09:11 CEST | Updated: 2026-10-02 09:11 CEST
Show details on NVD website
To clipboard 

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