CVE-2026-120281
WAVLINK WN536AX6-A OpenVPN protocol.csp strcpy stack-based overflow
CRITICAL 9.3EPSS 0.6%
A vulnerability was found in WAVLINK WN536AX6-A V260507. This affects the function strcpy of the file /protocol.csp of the component OpenVPN Handler. The manipulation of the argument openvpn_ip results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure.
- Affected
- WAVLINK · WN536AX6-A
- CVSS v4.0 VULDB
- 9.3 CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/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 - CVSS v3.1 VULDB
- 10.0 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS v2.0 VULDB
- 10.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C - EPSS
- 0.58% chance of exploitation in the next 30 days, 48th percentile
- Published
- 2026-11-02
Proof-of-concept exploits (1)
- F-yyjy/cve/blob/main/WN536AX6-A_openvpn_ip.mdRepo stars 0★ · pushed 2026-08-10 · find archive
1 file
CVE references
- https://vuldb.com/cve/CVE-2026-120281ADVISORY
- https://vuldb.com/submit/919790ADVISORY
- https://vuldb.com/vuln/429625REFERENCE
- https://vuldb.com/vuln/429625/ctiREFERENCE