Vulnerability intelligence

CVE-2026-75616

TP-Link Systems Inc. Archer C20 v6 CWE-78

An OS command injection vulnerability exists in the web management interface of Archer C20 v6 firmware when processing certain WAN-related configuration operations. An authenticated administrator may exploit insufficient input validation to execute arbitrary system commands, potentially resulting in full device compromise. Successful exploitation may allow arbitrary command execution with elevated privileges, compromising the confidentiality, integrity, and availability of the affected device and network traffic passing through it.

CVSS Score

8.5

High

EPSS — Exploit Probability

2.8%

Riskier than 86% of all CVEs · checked 2026-10-08

Exploitation

Not in CISA KEV

KEV does not include every exploited vulnerability

Remediation

Patch available

Vendor fix published