FKIE_CVE-2022-29402

Vulnerability from fkie_nvd - Published: 2022-05-25 18:15 - Updated: 2026-06-17 04:40
Severity
6.8 (Medium) - CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
6.8 (Medium) - CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
TP-Link TL-WR840N EU v6.20 was discovered to contain insecure protections for its UART console. This vulnerability allows attackers to connect to the UART port via a serial connection and execute commands as the root user without authentication.
References
cve@mitre.orghttps://k4m1ll0.com/cve-tplink-tlwr840N-uart-shell.htmlExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://k4m1ll0.com/cve-tplink-tlwr840N-uart-shell.htmlExploit, Third Party Advisory
Impacted products
Vendor Product Version
tp-link tl-wr840n_firmware -
tp-link tl-wr840n 6.20
tp-link tl-wr840n_firmware -
tp-link tl-wr840n 5.0
To clipboard 

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  "affected": [
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  "lastModified": "2026-06-17T04:40:06.860",
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.