CVE-2026-75616

UNKNOWN 0.0

Command Injection in Router Web Management Interface

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-78
Vendor	tp-link systems inc.
Product	archer c20 v6
Published	Aug 19, 2026

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Affected Versions

TP-Link Systems Inc. / Archer C20 v6

0 < EU_0.9.1 Build 260811 0 < US_0.9.1 Build 260812 0 < RU_0.9.1 Build 260812

References

NVD ↗ CVE.org ↗ EPSS Data ↗

tp-link.com: https://www.tp-link.com/us/support/download/archer-c20/v6.46/#Firmware tp-link.com: https://www.tp-link.com/en/support/download/archer-c20/v6/#Firmware tp-link.com: https://www.tp-link.com/en/support/faq/5252/

Credits

Daniil Gordeev (totekuh)