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High · 7.3 CVE-2026-30814 EUVD-2026-20542GHSA-w4qp-mpq3-cw45

Buffer Overflow Vulnerability in TP-Link AX53

Published Apr 8, 2026 · Updated May 7, 2026 · Assigned by TPLink

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.

Affected products

VendorProductAffectedFixed
TP-Link Systems AX53 v1.0 < 1.7.1 Build 20260213 1.7.1 Build 20260213

References