CVE-2025-40634 json
Stack-based buffer overflow in TP-Link Archer AX50
published 2025-05-20 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-15816
- cvss
- 9.2
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- TP-Link Link Archer AX50 1.0.15 build 241203 rel61480
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 17 mo ago
Exploit prediction
0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.2 | 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 |
| CNA | 4.0 | 9.2 | 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/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 |
Affected products
- TP-Link Link Archer AX50
Classification
- Weakness
-
- CWE-121 Stack-based Buffer Overflow
References
Sources
- CVE List CVE-2025-40634
- NVD CVE-2025-40634
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