CVE-2026-30818CWE-78

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

High · published April 8, 2026

CVSS v4.0
8.5
EPSS
2%
Percentile
78.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.5 · HIGH
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
EPSS
0.01846 · 78.9th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-04-08T17:54Z
EPSS history
Timeline
  • 08 APR 17:54Z
    OS Command Injection Vulnerability in dnsmasq Module in TP-Link AX53
    cvelistv5