CVE-2026-111219highCWE-93

CVE-2026-111219: high-severity vulnerability in Netgate pfSense CE

Netgate pfSense CE through 2.9.0 Command Injection via PPPoE Server Username

Published · Updated

41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 7.5epss 0.9%
exploitation probability
0.9%top 41% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
Netgate pfSense CE through 2.9.0 contains a newline injection vulnerability in services_pppoe_edit.php that allows privileged users to inject mpd.secret entries via unvalidated username POST fields. Attackers with the PPPoE Server Edit privilege can add a line whose secret begins with '!', making mpd5 run commands as root when a PPPoE client authenticates.
CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
Netgate · pfSense CE
public PoCs found — 1
cve_referencegithub.com/abraxas/pfsense-pppoe-secret-bangunverified
⚠ 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-pppoe-secret-banghttps://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/vpn.inc#L272-L282https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/services_pppoe_edit.php#L141-L152https://www.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-command-injection-via-pppoe-server-username