High severity · published Oct 15, 2026
CVE-2026-111215
Netgate pfSense CE through 2.9.0 OS Command Injection via Wireless Parent Interface
7.2
CVSS
6.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)6.2% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PC
pfSense CE · Netgate
through 2.9.0 · source: vendor
PF
Pfsense · Pfsense
through 2.9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-111215
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-111215
Issue Tracking
https://abraxaslabs.tech/research/pfsense-ce-leftovers
Issue Tracking
https://github.com/abraxas/pfsense-assign-if-add
Issue Tracking
https://github.com/abraxas/pfsense-wireless-clone
Product
https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/interfaces.inc#L3370
Product
https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/interfaces_assign.php#L187
Product
https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/interfaces_wireless_edit.php#L77
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