High severity7.2NVD Advisory· Published Oct 15, 2026· Updated Oct 15, 2026
CVE-2026-111229
CVE-2026-111229
Description
pfSense CE 2.7.0 through 2.9.0 contains a command injection vulnerability in services_captiveportal_hasync.php that allows users with only the Captive Portal HA privilege to execute commands as root. Attackers can set backwardsyncip to a malicious XMLRPC server returning connected_users with shell metacharacters in ip or mac fields, which captiveportal_load_pfctl passes unescaped to a pfctl shell command.
Affected products
2- Range: 2.7.0 through 2.9.0
Patches
Vulnerability mechanics
References
4- abraxaslabs.tech/research/pfsense-ce-leftoversnvd
- github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/captiveportal.incnvd
- github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/services_captiveportal_hasync.phpnvd
- www.vulncheck.com/advisories/netgate-pfsense-ce-2.7.0-through-2.9.0-command-injection-via-captive-portal-ha-syncnvd
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