Is there a public exploit for CVE-2026-120240?

No public exploit for CVE-2026-120240 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-120240?

CVE-2026-120240 scores CVSS 9.4 (v4.0), rated critical.

What does CVE-2026-120240 affect?

CVE-2026-120240 affects WAVLINK WN553X1-B.

9.4 Critical

A vulnerability was determined in WAVLINK WN553X1-B V2604032.0.0.

CVE-2026-120240

A vulnerability was determined in WAVLINK WN553X1-B V2604032.0.0. This issue affects the function sub41A748 of the file /bin/ioos of the component WireGuard CLI Group Handler. Executing a manipulation of the argument groupid/groupname can lead to os command injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.

Assessment

CVSS: 9.4 (v4.0)
Severity: Critical
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 1 November 2026
Last updated: 2 November 2026
Affected: WAVLINK · WN553X1-B
Assigner: VulDB

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

At the source

EUVD (ENISA)

References

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