CVE-2026-30818: OS Command Injection Vulnerability in dnsmasq Module in TP-Link AX53
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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-30818?
CVE-2026-30818 is considered a high severity vulnerability due to its potential to allow unauthorized execution of arbitrary code.
How do I fix CVE-2026-30818?
To fix CVE-2026-30818, update the TP-Link Archer AX53 firmware to a version that addresses this vulnerability.
Who is affected by CVE-2026-30818?
CVE-2026-30818 affects users of the TP-Link Archer AX53 v1.0 running firmware versions prior to 1.7.1.
What attack vector is used in CVE-2026-30818?
CVE-2026-30818 is exploited through insufficient validation of input in a specially crafted configuration file.
What are the potential impacts of exploiting CVE-2026-30818?
Exploiting CVE-2026-30818 could allow an attacker to execute arbitrary commands on the router, leading to complete system compromise.