CVE-2025-40634

Critical

Description

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.

SeverityCritical
CVSS9.2
Exploit probability—
ProductLink Archer AX50
PublishedMay 20, 2025
First seenMay 20, 2025
Weakness typeCWE-121CWE-121

How to fix

Update
  • TP-Link Link Archer AX501.0.15 build 241203 rel61480 or later

Affected products

ProductAffected versionsFixed in
TP-Link Link Archer AX50v < 1.0.15 build 241203 rel614801.0.15 build 241203 rel61480

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