CVE-2026-120239
criticalA vulnerability was found in WAVLINK WN553X1-B V260403_2.0.0.
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.
CVSS
9.9
9.9 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (cna@vuldb.com)
Timeline (UTC)
Published: 2026-11-01 18:17
Modified: 2026-11-02 18:18
NVD status: Deferred
Last synced 1 day ago
Verified against the source API 2026-11-03 07:35 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/senxitoyshuyi-ui/HACKALL/blob/main/WAVLINK%20WN553X1-B%20Router/WAVLINK... cna@vuldb.com
- https://vuldb.com/cve/CVE-2026-120239 cna@vuldb.com
- https://vuldb.com/submit/919250 cna@vuldb.com
- https://vuldb.com/vuln/429598 cna@vuldb.com
- https://vuldb.com/vuln/429598/cti cna@vuldb.com
Data sources
NVD CVE API 2.0 — fetched 2026-11-03 07:35 UTC · record ↗