Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tp-Link | Archer Ax53 Firmware | < 1.7.1 |
| Tp-Link | Archer Ax53 | 1.0 |
Related Weaknesses (CWE)
References
- https://talosintelligence.com/vulnerability_reports/Third Party Advisory
- https://www.tp-link.com/en/support/download/archer-ax53/v1/#FirmwareProduct
- https://www.tp-link.com/my/support/download/archer-ax53/v1/#FirmwareProduct
- https://www.tp-link.com/us/support/faq/5055/Vendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2306
FAQ
What is CVE-2026-30818?
CVE-2026-30818 is a vulnerability with a CVSS score of 8.0 (HIGH). 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 ...
How severe is CVE-2026-30818?
CVE-2026-30818 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-30818?
Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Archer Ax53 Firmware, Tp-Link Archer Ax53.