9.9
CriticalCVSS 3.1 · from VulDB
CVE-2026-120231
WAVLINK WN553X1-B OpenVPN CLI ioos sub_416568 os command injection
WN553X1-B · OS command injection · CWE-78AffectedWN553X1-B
FixNo fix listed yet.
PublishedNov 1, 14:45 · VulDB
ScoredNov 1 · 9.9 · VulDB
Exploit code publicNone known · checked 23:18 UTC
ExploitedNone known · CISA KEV checked 23:19 UTC
What we know
No known exploitation. CISA KEV, checked 23:19 UTC.
No public exploit code known. Exploit-DB, Metasploit, Nuclei, checked 23:18 UTC.
An attacker needs network access and an account. CVSS: network, low privileges.
A successful attack can read and change data and take the service down. CVSS: high impact on confidentiality, integrity and availability.
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.
From VulDB
Affected and fixed versions
ProductAffectedFixed inWN553X1-BV260403_2.0.0–
Exploit code
Exploit-DBnone knownMetasploitnone knownNucleinone known