Summary
generated automatically from NVD dataCVE-2026-120231 affects WAVLINK WN553X1-B V260403_2.0.0, where the function sub_416568 in /bin/ioos (the OpenVPN CLI Handler component) mishandles the file_id argument. Manipulating that argument leads to OS command injection (CWE-77), and the attack can be launched remotely. The NVD notes that a public exploit has been disclosed, and the flaw is rated CRITICAL with a CVSS v3.1 score of 9.9.
NVD description
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.
EPSS · FIRST.org
1.7%probability of exploitation in the next 30 days
Higher than 77% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-11-02, recomputed daily by FIRST.org.
In-depth analysis on cveo.tech
This CVE is covered in an article: context, affected versions and published fixes.
CVSS v3.1 Score
Information
- Published
- 1 nov. 2026
- Updated
- 2 nov. 2026
- Status
- Deferred
- Source
- cna@vuldb.com
Weaknesses (CWE)
Similar CVEs
Other vulnerabilities of type CWE-77
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