High8.8Netgate pfSense
pfSense: diag_command.php in pfSense 2.4.4-p3 allows CSRF via the txtCommand or txtRecallBuffer field, as demonstrated by exec…
CVE-2019-16667 Published Sep 26, 2019Updated by vendor Jun 17, 2026
CVE-2019-16667
Affected products & platforms
Netgate pfSenseUnclassified
Summary
diag_command.php in pfSense 2.4.4-p3 allows CSRF via the txtCommand or txtRecallBuffer field, as demonstrated by executing OS commands. This occurs because csrf_callback() produces a "CSRF token expired" error and a Try Again button when a CSRF token is missing.
Mitigation
Mitigation steps weren't captured by the parser for this advisory — this is a parsing gap, not a statement that no fix exists. Read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 5 hours ago·verify at source
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