9.9
CriticalCVSS 3.1 · from VulDB
CVE-2026-120239
WAVLINK WN553X1-B WireGuard CLI ioos sub_419DA8 os command injection
WN553X1-B · OS command injection · CWE-78AffectedWN553X1-B
FixNo fix listed yet.
PublishedNov 1, 18:00 · 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 found in WAVLINK WN553X1-B V260403_2.0.0. This vulnerability affects the function sub_419DA8 of the file /bin/ioos of the component WireGuard CLI Handler. Performing a manipulation of the argument file_id results in os command injection. The attack is possible to be carried out remotely. The exploit has been made public and could be used. 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