CVE-2026-30818

HIGH8.5

OS Command Injection Vulnerability in dnsmasq Module in TP-Link AX53

Published Apr 8, 2026

Modified 1 weeks ago

Details

An OS command injection vulnerability in the dnsmasq module of TP-Link Archer AX53 v1.0 allows an authenticated adjacent attacker to execute arbitrary code when a specially crafted configuration file is processed due to insufficient input validation. Successful exploitation may allow the attacker to modify device configuration, access sensitive information, or further compromise system integrity.

This issue affects AX53 v1.0: before 1.7.1 Build 20260213.

References

ADVISORY

https://talosintelligence.com/vulnerability_reports/

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-30818

FIX

https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware

FIX

https://www.tp-link.com/my/support/download/archer-ax53/v1/#Firmware

ADVISORY

https://www.tp-link.com/us/support/faq/5055/