CVE-2026-111228
Netgate pfSense CE from 2.7.1 through 2.9.0 contains a CRLF injection vulnerability in…
- Risk score
- 59/100
- CVSS
- 5.5 v3.1
- Exploit chance (30 days)
- 1.8%
- Published
- 15 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Netgate pfSense CE from 2.7.1 through 2.9.0 contains a CRLF injection vulnerability in services_unbound_advanced.php that allows authenticated users with DNS Resolver: Advanced privilege to inject Unbound directives. Attackers can embed CR/LF characters in the unvalidated sock_queue_timeout parameter, which is written…
- Affected
- Pfsense
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Story map
At a glance
Pfsense: Amber, patch this week. Netgate pfSense CE 2.7.0 through 2.9.0 contains an OS command injection vulnerability that allows authenticated users with QinQ edit privilege to run commands by storing an unvalidated parent interface name. Attackers can save a crafted 'if' value, then edit the QinQ entry so it is interpolated into ifconfig shell com…
The flaws
- CVE-2026-111228: Netgate pfSense CE from 2.7.1 through 2.9.0 contains a CRLF injection vulnerability in… (CVSS 5.5 · EPSS 2%)
- CVE-2026-111214: OS command injection (CVSS 7.2 · EPSS 10%)
- CVE-2026-111225: OS command injection (CVSS 8.8 · EPSS 6%)
- CVE-2026-111218: OS command injection (CVSS 7.2 · EPSS 8%)
The fix
Fix: Apply the vendor's security update; see the linked advisory.
Who is exposed: Pfsense
Where it stands
- Public proof of concept
Connects to
- Same weakness: CWE-93 (CWE-93). 20 other warnings in 30 days
- Same product: Earlier Pfsense warnings. 12 in the last 90 days
Why it is Yellow
- CVSS 5.5 medium
- On your watchlist: php
References
- https://abraxaslabs.tech/research/pfsense-ce-leftovers
- https://github.com/abraxas/pfsense-unbound-sock-timeout
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/unbound.inc#L590
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/services_unbound_advanced.php#L178
- https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.7.1-through-2.9.0-crlf-injection-via-services-unbound-advanced-php
Original description
Netgate pfSense CE from 2.7.1 through 2.9.0 contains a CRLF injection vulnerability in services_unbound_advanced.php that allows authenticated users with DNS Resolver: Advanced privilege to inject Unbound directives. Attackers can embed CR/LF characters in the unvalidated sock_queue_timeout parameter, which is written raw into unbound.conf, to override local records and forwarding for all clients.
Last activity 15 Oct 2026. Patch Forecast updates every hour.