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CVE-2022-29402

nvd nist
Published: May 25, 2022Modified: Jun 17, 2026

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6.8
Vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 0.9 / Impact: 5.9
Source: NVD

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.

Affected (1)

Tp Link
1 product
Tl Wr840n Firmware
Configuration A
1 platform
Running on/withPlatform Versions
Tp Link
Tl Wr840n
Version 6.20
Configuration B
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Tl Wr840n Firmware
All versions
Running on/withPlatform Versions
Tp Link
Tl Wr840n
Version 5.0

Related CWEs

CWE-306
Missing Authentication for Critical Function
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

References (2)

Source: cve@mitre.org
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory

Timeline

No history available yet.