Vulnerability Details CVE-2026-111215
Netgate pfSense CE through 2.9.0 contains an OS command injection vulnerability that allows authenticated users to execute commands as root by supplying a crafted wireless parent interface name. Attackers with limited Wireless Edit or Interface Assignments privileges can submit values like ath0;<cmd> via interfaces_wireless_edit.php or interfaces_assign.php, which interface_wireless_clone() interpolates unescaped into an ifconfig shell command.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.061
EPSS Ranking 93.4%
CVSS Severity
CVSS v3 Score 7.2
References
- https://abraxaslabs.tech/research/pfsense-ce-leftovers
- https://github.com/abraxas/pfsense-assign-if-add
- https://github.com/abraxas/pfsense-wireless-clone
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/interfaces.inc#L3370
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/interfaces_assign.php#L187
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/interfaces_wireless_edit.php#L77
- https://www.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-os-command-injection-via-wireless-parent-interface
Products affected by CVE-2026-111215
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cpe:2.3:a:pfsense:pfsense:-
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cpe:2.3:a:pfsense:pfsense:2.2.6
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cpe:2.3:a:pfsense:pfsense:2.4.4
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cpe:2.3:a:pfsense:pfsense:2.5.2
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cpe:2.3:a:pfsense:pfsense:2.6.0