What’s Vulnerable › Vulnerabilities
CVE-2025-40634: Stack-based buffer overflow in TP-Link Archer AX50
- Severity: critical (CVSS 9.2 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-05-20 · updated 2026-06-17
- Weakness: CWE-121
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.
Affected products
- TP-Link Link Archer AX50: before 1.0.15 build 241203 rel61480 — fixed in 1.0.15 build 241203 rel61480
How to fix
Upgrade to a fixed version: TP-Link Link Archer AX50 1.0.15 build 241203 rel61480. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2025-40634 or the next vulnerability affects your stack