Insecure UART Console Access in TP-Link Router
CVE-2022-29402

6.8MEDIUM

Key Information:

Vendor

Tp-link
Status
Tl-wr840n Firmware
Vendor
CVE Published:
25 May 2022

What is CVE-2022-29402?

The TP-Link TL-WR840N EU v6.20 has a significant vulnerability due to inadequate protections on its UART console. This loophole enables attackers to gain unauthorized access to the UART port through a serial connection. By exploiting this flaw, intruders can execute commands as the root user without any form of authentication, posing a severe risk to network security and device integrity.

References

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

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.