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CVE-2026-120231

A vulnerability was determined in WAVLINK WN553X1-B V260403_2.0.0

Risk score
59/100
CVSS
9.9 v3.1
Published
1 Nov 2026

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What to know

What it is
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 publ…
Affected
See advisory
Fix
Apply the vendor's security update; see the linked advisory.
Exploitation
No known exploitation

Why it is Yellow

  • CVSS 9.9 critical

References

Original 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.

Last activity 1 Nov 2026. Patch Forecast updates every hour.