Vulnerability record/PUBLISHED/Published Nov 1, 2026 18:30:11 UTC
CVE-2026-120240
A vulnerability was determined in WAVLINK WN553X1-B V260403_2.0.0. This issue affects the function sub_41A748 of the file /bin/ioos of the component WireGuard CLI Group Handler. Executing a manipulation of the argument group_id/group_name 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.
Base score9.4/ 10
SeverityCriticalCVSS 4.0
Exploitability / impact
CVSS metric breakdown
Base severityCritical
Attack vectorNetworkAV
Attack complexityLowAC
Attack requirementsNoneAT
Privileges requiredLowPR
User interactionNoneUI
Vulnerable system confidentialityHighVC
Vulnerable system integrityHighVI
Vulnerable system availabilityHighVA
Subsequent system confidentialityHighSC
Subsequent system integrityHighSI
Subsequent system availabilityHighSA
Exploit maturityProof of conceptE
CVSS vector string
CVSS: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:PCVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.
Record context
CVE Numbering AuthorityVulDB
Last updatedNov 1, 2026 18:30:11 UTC
PublishedNov 1, 2026 18:30:11 UTC
ReservedOct 31, 2026 20:14:25 UTC
Credits
- shuyi (VulDB User)
- VulDB CNA Team