Medium severity4.9NVD Advisory· Published Oct 15, 2026· Updated Oct 15, 2026
CVE-2026-111230
CVE-2026-111230
Description
Netgate pfSense CE through 2.9.0 contains a local file read vulnerability that allows users with the Dynamic DNS client privilege to read files as root by setting a file:// custom Update URL in services_dyndns_edit.php. Attackers can set a non-matching Result Match string so _checkStatus() logs file contents such as /conf/config.xml or /etc/master.passwd to the system log.
Affected products
2- Range: <=2.9.0
Patches
Vulnerability mechanics
References
5- abraxaslabs.tech/research/pfsense-ce-leftoversnvd
- github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/dyndns.classnvd
- github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/dyndns.classnvd
- github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/services_dyndns_edit.phpnvd
- www.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-local-file-read-via-dynamic-dns-update-urlnvd
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