CVE-2026-120231
criticalA vulnerability was determined in WAVLINK WN553X1-B V260403_2.0.0.
A vulnerability was determined in WAVLINK WN553X1-B V260403_2.0.0. The affected element is the function sub_416568 of the file /bin/ioos of the component OpenVPN CLI Handler. This manipulation of the argument file_id causes os command injection. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. 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 15:17
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-2026-120231 cna@vuldb.com
- https://vuldb.com/submit/919247 cna@vuldb.com
- https://vuldb.com/vuln/429590 cna@vuldb.com
- https://vuldb.com/vuln/429590/cti cna@vuldb.com
Data sources
NVD CVE API 2.0 — fetched 2026-11-03 07:35 UTC · record ↗

