CVE-2026-30814
Buffer Overflow Vulnerability in TP-Link AX53
- State
- Published
- Severity
- 7.3 High
- Published
- Apr 8, 2026
- Updated
- May 7, 2026
- Reserved
- Mar 5, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.3 High | CVSS:4.0/AV:A/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L | TPLink |
Weaknesses
- CWE-121 Stack-based buffer overflow
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-2025-2302
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.