CVE-2026-120345 WAVLINK WN551X3-A DNS Resolution ioos sub_41a430 os command injection
CriticalCVSS 10.0
EPSS 2.0%
- Published
- Updated
- Exploit status
- No public exploit known
Description
A vulnerability was found in WAVLINK WN551X3-A M51X3_V251020-WO-182e965. This impacts the function sub_41a430 of the file /bin/ioos of the component DNS Resolution Handler. Performing a manipulation of the argument data results in os command injection. It is possible to initiate the attack 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 wn551x3-a | = M51X3_V251020-WO-182e965 | No fix listed |
References
- VDB-429670 | WAVLINK WN551X3-A DNS Resolution ioos sub_41a430 os command injection technical-description vdb-entry
- VDB-429670 | CTI Indicators (IOB, IOC, TTP, IOA) permissions-required signature
- CVE-2026-120345 | CVE Analysis and Report third-party-advisory
- Submit #919579 | Wavlink Router Firmware WN551X3-A-M51X3_V251020-WO Command Injection third-party-advisory
- github.com exploit