Vulnerability Description
A stack-based buffer overflow in the tmpServer module of TP-Link Archer AX53 v1.0 allows an authenticated adjacent attacker to trigger a segmentation fault and potentially execute arbitrary code via a specially crafted configuration file. Successful exploitation may cause a crash and could allow arbitrary code execution, enabling modification of device state, exposure of sensitive data, or further compromise of device 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-2025-2302
FAQ
What is CVE-2026-30814?
CVE-2026-30814 is a vulnerability with a CVSS score of 8.0 (HIGH). A stack-based buffer overflow in the tmpServer module of TP-Link Archer AX53 v1.0 allows an authenticated adjacent attacker to trigger a segmentation fault and potentially execute arbitrary code via a...
How severe is CVE-2026-30814?
CVE-2026-30814 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-2026-30814?
Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Archer Ax53 Firmware, Tp-Link Archer Ax53.