PT-2022-11574 · Tp Link · Tp-Link Archer A7

Published 2022-08-23 · Updated 2022-08-25 · CVE-2021-42232

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions TP-Link Archer A7 version Archer A7(US) V5 210519

Description The issue is caused by a command injection vulnerability in the /usr/bin/tddp program, which takes part of the received data packet as part of the command. This allows an attacker to execute arbitrary commands on the router.

Recommendations For TP-Link Archer A7 version Archer A7(US) V5 210519, consider disabling the /usr/bin/tddp program until a patch is available to prevent exploitation of the command injection vulnerability.

Exploit

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2021-42232

Affected Products

Tp-Link Archer A7

References · 7

• 🔥 https://github.com/mQaLeX/IoT/blob/main/tp-link/Archer%20A7(US)_V5_20519_tddp.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-42232 · Security Note
• https://osv.dev/vulnerability/CVE-2021-42232 · Vendor Advisory
• http://tp-link.com · Vendor Advisory
• https://github.com/mQaLeX/IoT/blob/main/tp-link/Archer%20A7%28US%29_V5_20519_tddp.md · Note
• http://archer.com · Note
• https://t.me/cibsecurity/48568 · Telegram Post