
A PoC/exploit has been discovered for vulnerability CVE-2026-75616 Vendor: TP-Link Systems Inc. Product: Archer C20 v6 Description: 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. Link: https://github.com/totekuh/cve-2026-75616 #dbugs_vuln
Post summary
A proof‑of‑concept exploit for CVE‑2026‑75616 was published on GitHub, demonstrating OS command injection via the Archer C20 v6 web interface for authenticated administrators. No evidence of active attacks or patches is mentioned.

