CVE-2026-120281 WAVLINK WN536AX6-A OpenVPN protocol.csp strcpy stack-based overflow
CriticalCVSS 10.0
EPSS 0.58%
- Published
- Updated
- Exploit status
- No public exploit known
Description
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 products
| Product | Affected versions | Fixed in |
|---|---|---|
| wavlink wn536ax6-a | = V260507 | No fix listed |
References
- VDB-429625 | WAVLINK WN536AX6-A OpenVPN protocol.csp strcpy stack-based overflow technical-description vdb-entry
- VDB-429625 | CTI Indicators (IOB, IOC, IOA) permissions-required signature
- CVE-2026-120281 | CVE Analysis and Report third-party-advisory
- Submit #919790 | Wavlink WN536AX6 V260507 CWE-121 third-party-advisory
- github.com exploit