CVE-2026-30814

High

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.

SeverityHigh
CVSS8.0
Exploit probability—
ProductTp-link Archer Ax53 Firmware
PublishedApr 8, 2026
First seenApr 8, 2026
Weakness typeCWE-121CWE-121

How to fix

Affected products

ProductAffected versionsFixed in
tp-link archer_ax53_firmwarev < 1.7.11.7.1

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