Vulnerability · Published Apr 8, 2026 · Assigned by TPLink
CVE-2026-30818OS Command Injection Vulnerability in dnsmasq Module in TP-Link AX53
High 8.5
In plain English
A high-severity OS command injection in AX53 v1.0 from TP-Link Systems Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities).
Official description
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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| TP-Link Systems Inc. | AX53 v1.0 | 0 – before 1.7.1 Build 20260213 |
Weakness: CWE-78 · 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
References
- https://www.tp-link.com/my/support/download/archer-ax53/v1/#Firmware patch
- https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware patch
- https://talosintelligence.com/vulnerability_reports/ third-party-advisory
- https://www.tp-link.com/us/support/faq/5055/ vendor-advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2306