CVE-2022-29402

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 25-05-2022 08:15

Last modified: - 07-06-2022 06:23

Total changes: - 3

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.

Common Vulnerability Scoring System (CVSS)

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

Low

Attack complexity

Physical

Attack vector

High

Availability

High

Confidentiality

High

Integrity

None

Privileges required

Unchanged

Scope

None

User interaction

6.8

Base score

0.9

5.9

Exploitability score

Impact score

Verification logic

AND

vendor=tp-link AND product=tl-wr840n_firmware AND version=-

vendor=tp-link AND product=tl-wr840n AND version=6.20

AND

vendor=tp-link AND product=tl-wr840n_firmware AND version=-

vendor=tp-link AND product=tl-wr840n AND version=5.0

Reference

https://k4m1ll0.com/cve-tplink-tlwr840N-uart-shell.html

Keywords

CVE-2022-29402

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2022-29402

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures