CVE-2026-120240 WAVLINK WN553X1-B - Command Injection

WAVLINK WN553X1-B V260403_2.0.0 contains a command injection caused by manipulation of group_id/group_name argument in /bin/ioos WireGuard CLI Group Handler, letting remote attackers execute OS commands remotely, exploit requires crafted input.

CVSS base score 9.9 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
1.69% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
1 November 2026
Updated
3 November 2026
Weakness
CWE-77

Vendor fix

Update to the latest version provided by the vendor.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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