CVE-2026-30814

HIGH

Buffer Overflow Vulnerability in TP-Link AX53

Title source: cna
STIX 2.1

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 v3 8.0
EPSS 0.0003
EPSS Percentile 8.6%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-121 CWE-787
Status published
Products (2)
tp-link/archer_ax53_firmware < 1.7.1
TP-Link Systems Inc./AX53 v1.0 < 1.7.1 Build 20260213
Published Apr 08, 2026
Tracked Since Apr 09, 2026