CVE-2026-120344

CRITICAL 10.0

WAVLINK WN551X3-A WireGuard CLI Group ioos system os command injection

CVSS Score

10.0

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability has been found in WAVLINK WN551X3-A M51X3_V251020-WO-182e965. This affects the function system of the file /bin/ioos of the component WireGuard CLI Group Handler. Such manipulation of the argument group_name leads to os command injection. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.

CWE	CWE-78 CWE-77
Vendor	wavlink
Product	wn551x3-a
Published	Nov 2, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

WAVLINK / WN551X3-A

M51X3_V251020-WO-182e965

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/429669 vuldb.com: https://vuldb.com/vuln/429669/cti vuldb.com: https://vuldb.com/cve/CVE-2026-120344 vuldb.com: https://vuldb.com/submit/919551 github.com: https://github.com/senxitoyshuyi-ui/HACKALL/blob/main/WAVLINK_WN551X3-A%20Router/WAVLINK_WN551X3-A_wireguard_cli_group_command_injection.md

Credits

🔍 shuyi (VulDB User) VulDB CNA Team