CVE-2025-40634 CRITICAL

CVE-2025-40634: Stack-based buffer overflow in TP-Link Archer AX50

Vendor Tp-Link
Product Link Archer AX50
Weakness CWE-121
Published May 20, 2025
Last update May 20, 2025
View on NVD All CVEs

CVSS base score

9.2/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Stack-based buffer overflow vulnerability in the 'conn-indicator' binary running as root on the TP-Link Archer AX50 router, in firmware versions prior to 1.0.15 build 241203 rel61480. This vulnerability allows an attacker to execute arbitrary code on the device over LAN and WAN networks.

Key dates

02Disclosure timeline

May 20, 2025 CVE published
May 20, 2025 Record updated