critical9.4
CVE-2026-120239
A vulnerability was found in WAVLINK WN553X1-B V260403_2.0.0. This vulnerability affects the...
Impact
A vulnerability was found in WAVLINK WN553X1-B V260403_2.0.0. This vulnerability affects the function sub_419DA8 of the file /bin/ioos of the component WireGuard CLI Handler. Performing a manipulation of the argument file_id results in os command injection. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| WAVLINK | WN553X1-B | Version V260403_2.0.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://vuldb.com/vuln/429598
- https://vuldb.com/vuln/429598/cti
- https://vuldb.com/cve/CVE-2026-120239
- https://vuldb.com/submit/919250
- https://github.com/senxitoyshuyi-ui/HACKALL/blob/main/WAVLINK%20WN553X1-B%20Router/WAVLINK_WN553X1-B_wireguard_cli_command_injection.md
- https://github.com/advisories/GHSA-9jcp-f9g9-fr7w
- https://nvd.nist.gov/vuln/detail/CVE-2026-120239