CVEsWAVLINKCVE-2026-120228Published Nov 1, 13:45 · Updated Nov 1, 13:45 UTC
9.9
CriticalCVSS 3.1 · from VulDB
CVE-2026-120228

WAVLINK WN553X1-B ioos Service sub_416D88 os command injection

WN553X1-B · OS command injection · CWE-78
AffectedWN553X1-B
FixNo fix listed yet.
PublishedNov 1, 13:45 · 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 flaw has been found in WAVLINK WN553X1-B V260403_2.0.0. This vulnerability affects the function sub_416D88 of the file /bin/ioos of the component ioos Service. Executing a manipulation of the argument group_id/group_name can lead to os command injection. The attack can be executed remotely. The exploit has been published and may 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

References

VDB-429587 | WAVLINK WN553X1-B ioos Service sub_416D88 os command injection · vuldb.comvdb entrytechnical descriptionVDB-429587 | CTI Indicators (IOB, IOC, TTP, IOA) · vuldb.comsignaturepermissions requiredCVE-2026-120228 | CVE Analysis and Report · vuldb.comthird party advisorySubmit #919151 | Wavlink Router Firmware V260403_2.0.0 Authenticated Command Injection · vuldb.comthird party advisorygithub.com/senxitoyshuyi-ui/IOT-CVE/blob/main/vulns/WAVLINK%20WN553X1-B%20Router.md · github.comexploit

Other CVEs in WN553X1-B

All 5 →
9.9WAVLINK WN553X1-B WireGuard CLI Group ioos sub_41A748 os command injection · CVE-2026-120240Nov 19.9WAVLINK WN553X1-B WireGuard CLI ioos sub_419DA8 os command injection · CVE-2026-120239Nov 19.9WAVLINK WN553X1-B ovpn_file ioos sub_4162A8 os command injection · CVE-2026-120238Nov 1