Critical9.8Netgate pfSense

Critical [CVE-2022-31814] pfSense pfBlockerNG through 2.1.4_26 allows remote attackers to execute arbitrary OS commands as root

This critical-severity Netgate pfSense advisory covers CVE-2022-31814 affecting pfSense.

CVE-2022-31814 Published Sep 5, 2022Updated by vendor Jun 17, 2026

CVE-2022-31814

Affected products & platforms

Netgate pfSenseUnclassified

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Summary

pfSense pfBlockerNG through 2.1.4_26 allows remote attackers to execute arbitrary OS commands as root via shell metacharacters in the HTTP Host header. NOTE: 3.x is unaffected.

Affected versions

through 2.1.4_26

Official advisory · medium-confidence parse· fetched 2 months ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

Official advisory · medium-confidence parse· fetched 2 months ago·verify at source

Mitigation

The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.

Official advisory · medium-confidence parse· fetched 2 months ago·verify at source

Discussion(0)

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