CVE-2026-120231
Critical
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.
SeverityCritical
CVSS9.9
Exploit probability—
ProductWavlink Wn553x1-b
PublishedNov 1, 2026
First seenNov 4, 2026
Weakness typeCWE-78OS command injectionCWE-77Command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| wavlink wn553x1-b | V260403_2.0.0 | — |
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