CVE-2026-111228
mediumpriority · track · 23EPSS 0.018 · 79 %ileDEUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.2–5.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-3983Netgate pfSense: Mehrere SchwachstellenDeutsch2026-10-15csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Netgate pfSense ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen und um auf Dateien zuzugreifen.
sources
Which sources assert this record, and when.
references (5) nvd
External citations — patches, advisories, analysis.
- https://abraxaslabs.tech/research/pfsense-ce-leftoversIssue Tracking
- https://github.com/abraxas/pfsense-unbound-sock-timeoutThird Party Advisory
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/unbound.inc#L590Product
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/services_unbound_advanced.php#L178Product
- https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.7.1-through-2.9.0-crlf-injection-via-services-unbound-advanced-phpThird Party Advisory
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