cvedb.io
CVE-2026-45158
CRITICAL · CVSS 9.1
EPSS exploitation probability: 0%
Published 2026-05-13T22:16:46.363 · Last modified 2026-06-17T10:51:43.243

Summary

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

opnsense — opnsense

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.