CVE-2026-30818 HIGH

CVE-2026-30818: OS Command Injection Vulnerability in dnsmasq Module in TP-Link AX53

Vendor Tp-Link Systems Inc.
Product AX53 v1.0
Weakness CWE-78
Published April 8, 2026
Last update May 7, 2026
View on NVD All CVEs

CVSS base score

8.5/10
Attack vector Adjacent
Attack complexity Low
Privileges required High
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 8, 2026 CVE published
May 7, 2026 Record updated