CVE-2026-45158 — OPNsense: Command Injection via Attacker-Controlled DHCP Config
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 proc…
Published: 2026-05-13 · CVSS: 9.1 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7