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CVE PROGRAM SOURCE RECORD9.1 Critical

CVE-2026-45158

OPNsense: Command Injection via Attacker-Controlled DHCP Config

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

opnsense core

  • < 26.1.8affected

References