CVE-2026-30818
OS Command Injection Vulnerability in dnsmasq Module in TP-Link AX53
- State
- Published
- Severity
- 8.5 High
- Published
- Apr 8, 2026
- Updated
- May 7, 2026
- Reserved
- Mar 5, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.5 High | 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 | TPLink |
Weaknesses
- CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')
Affected Products
| Product | Versions |
|---|---|
AX53 v1.0TP-Link Systems Inc. |
|
References
- https://www.tp-link.com/my/support/download/archer-ax53/v1/#Firmwarepatch
- https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmwarepatch
- 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
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