critical9.4
CVE-2026-120240
A vulnerability was determined in WAVLINK WN553X1-B V260403_2.0.0. This issue affects the...
Impact
A vulnerability was determined in WAVLINK WN553X1-B V260403_2.0.0. This issue affects the function sub_41A748 of the file /bin/ioos of the component WireGuard CLI Group Handler. Executing a manipulation of the argument group_id/group_name can lead to os command injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. 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/429599
- https://vuldb.com/vuln/429599/cti
- https://vuldb.com/cve/CVE-2026-120240
- https://vuldb.com/submit/919251
- https://github.com/senxitoyshuyi-ui/HACKALL/blob/main/WAVLINK%20WN553X1-B%20Router/WAVLINK_WN553X1-B_wireguard_cli_group_command_injection.md
- https://github.com/advisories/GHSA-mqwg-mjc3-vq36
- https://nvd.nist.gov/vuln/detail/CVE-2026-120240