CVE-2026-45158

CRITICAL

9.1

Description

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.8, unsanitized user input is passed to the DHCP configuration of the configured interface, which is processed by a shell script, allowing remote code execution as root on the underlying operating system. This vulnerability is fixed in 26.1.8.

Details CVE

Score CVSS v3.19.1

SeveriteCRITICAL

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisHIGH

Interaction utilisateurNONE

Publie5/13/2026

Derniere modification5/13/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-88

References

https://github.com/opnsense/core/security/advisories/GHSA-5rx3-w735-74wm(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

This product uses data from the NVD API but is not endorsed or certified by the NVD.