CVE-2022-29402 — MEDIUM (6.8)

Vulnerability Description

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.

CVSS Score

6.8

MEDIUM

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tp-Link	Tl-Wr840N Firmware	-
Tp-Link	Tl-Wr840N	6.20

Related Weaknesses (CWE)

CWE-306

References

https://k4m1ll0.com/cve-tplink-tlwr840N-uart-shell.htmlExploitThird Party Advisory
https://k4m1ll0.com/cve-tplink-tlwr840N-uart-shell.htmlExploitThird Party Advisory

FAQ

What is CVE-2022-29402?

CVE-2022-29402 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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 comm...

How severe is CVE-2022-29402?

CVE-2022-29402 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-29402?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Tl-Wr840N Firmware, Tp-Link Tl-Wr840N.