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Vulnerabilities

Vulnerability · CVE-2026-120344

A vulnerability has been found in WAVLINK WN551X3-A M51X3_V251020-WO-182e965.

Published Nov 2, 2026 · catalog updated Nov 2, 2026 · WAVLINK

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-120344. EPSS is 1.99%. Act only if a listed version of WAVLINK is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical10.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.99%
Remediation
Vendor / distro source
Affected products
vendor WAVLINK

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor WAVLINKversion unspecified

How to fix CVE-2026-120344

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-120344. EPSS is 1.99%. Act only if a listed version of WAVLINK is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 1.99%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 2, 2026 · EUVD

    Detected

    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

  2. Nov 2, 2026 · EUVD

    Updated

    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

Sources

  • CVE.orgVulnerability recordCVE-2026-120344

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-120344

    30-day exploitation probability 1.99%

    first.org
  • EUVDVulnerability recordEUVD-2026-115067

    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 perform

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 6, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026