CVE-2025-40634

Stack-based buffer overflow in TP-Link Archer AX50

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

TP-Link · Link Archer AX50

CVSS v4.0 INCIBE

9.2 CRITICALCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS

0.69% chance of exploitation in the next 30 days, 52nd percentile

Published

2025-05-20

Proof-of-concept exploits (1)

• hacefresko/CVE-2025-4063431★ · 2025-10-16

References

• CVE Record
• NVD entry

Related

• CVE-2020-10881
• CVE-2021-4045