CVE-2026-111224: high-severity vulnerability in Netgate pfSense CE
Netgate pfSense CE through 2.9.0 OS Command Injection via openvpn.connect_async.sh
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 7.7epss 5.4%
pfSense CE through 2.9.0 contains an OS command injection vulnerability in the OpenVPN openvpn.connect_async.sh script that allows authenticated VPN users to execute commands as root via crafted usernames. Attackers authenticated through RADIUS or LDAP can use usernames containing single quotes and shell metacharacters to break out of the eval'd pfctl anchor name on connect or disconnect.
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
Netgate · pfSense CEpublic PoCs found — 1
cve_referencegithub.com/abraxas/pfsense-ovpn-connect-evalunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Netgate pfSense CE
In the same product, most dangerous first.
CVE-2025-34175MEDIUMNetgate pfSense CE Suricata package v7.0.8_2 Reflected Cross-Site ScriptingEPSS 21.3%CVE-2025-34176MEDIUMNetgate pfSense CE Suricata Package v7.0.8_2 Directory Traversal Information DisclosureEPSS 17.3%CVE-2025-34174MEDIUMNetgate pfSense CE Status_Traffic_Totals Package v2.3.2_7 Stored Cross-Site ScriptingEPSS 14.5%CVE-2026-111214HIGHNetgate pfSense CE 2.7.0 through 2.9.0 OS Command Injection via interfaces_qinq_edit.phpEPSS 10.8%CVE-2026-111218HIGHNetgate pfSense CE 2.7.0 through 2.9.0 OS Command Injection via Traffic Shaper LimitersEPSS 8.6%CVE-2026-111217HIGHNetgate pfSense CE through 2.9.0 OS Command Injection via CARP VHIDEPSS 7.0%
References
https://abraxaslabs.tech/research/pfsense-ce-leftovershttps://github.com/abraxas/pfsense-ovpn-connect-evalhttps://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/sbin/openvpn.connect_async.sh#L83-L114https://www.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-os-command-injection-via-openvpn-connect-async-sh