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CVE-2026-111215

7.2 · HIGH

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.

Published Oct 15, 2026pfsenseCWE-78EPSS 6.25%

Overview

CVE-2026-111215 is a high-severity vulnerability affecting pfsense pfsense. It was published on October 15, 2026 and has a CVSS 3.1 base score of 7.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from pfsense. Update pfsense to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
pfsensepfsense0Affected

References

Refabraxaslabs.tech/research/pfsense-ce-leftoversGitHubgithub.com/abraxas/pfsense-assign-if-addGitHubgithub.com/abraxas/pfsense-wireless-cloneGitHubgithub.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/interfaces.inc#L3370GitHubgithub.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/interfaces_assign.php#L187GitHubgithub.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/interfaces_wireless_edit.php#L77Refwww.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-os-command-injection-via-wireless-parent-interface

How CyberStrike helps

Frequently asked questions

What is CVE-2026-111215?

CVE-2026-111215 is a high-severity vulnerability affecting pfsense pfsense. It was published on October 15, 2026 and has a CVSS 3.1 base score of 7.2 (HIGH).

How severe is CVE-2026-111215?

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-111215?

Check the references section for vendor advisories and patches from pfsense. Update pfsense to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-111215?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-111215 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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