CVE-2026-30818: TP-Link Archer AX53 Firmware

High severity, CVSS 8.0. EPSS: 1.8% chance of exploitation in the next 30 days.

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.

Affected products

• TP-Link Archer AX53 Firmware: before 1.7.1 (fixed in 1.7.1)

Published 2026-04-08. Last modified 2026-07-25.