CyberAlerts is shutting down on June 30th, 2025. Thank you for your support!

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

9.2 CVSS

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.

Classification

CVE ID: CVE-2025-40634

CVSS Base Severity: CRITICAL

CVSS Base Score: 9.2

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

Problem Types

CWE-121: Stack-based Buffer Overflow

Affected Products

Vendor: TP-Link

Product: Link Archer AX50

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.02% (probability of being exploited)

EPSS Percentile: 4.87% (scored less or equal to compared to others)

EPSS Date: 2025-06-18 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-40634
https://www.incibe.es/en/incibe-cert/notices/aviso/stack-based-buffer-overflow-tp-link-archer-ax50

Timeline