CVE-2026-45158 — OPNsense: Command Injection via Attacker-Controlled DHCP Config

CVE-2026-45158

OPNsense: Command Injection via Attacker-Controlled DHCP Config PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
opnsense / core	affected < 26.1.8

CWE

CWE-88

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.