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VULNERABILITIES

CVE-2026-111230 Details

Description

Netgate pfSense CE through 2.9.0 contains a local file read vulnerability that allows users with the Dynamic DNS client privilege to read files as root by setting a file:// custom Update URL in services_dyndns_edit.php. Attackers can set a non-matching Result Match string so _checkStatus() logs file contents such as /conf/config.xml or /etc/master.passwd to the system log.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:4.9 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://abraxaslabs.tech/research/pfsense-ce-leftovers [email protected]Issue Tracking
https://github.com/abraxas/pfsense-dyndns-file [email protected]Third Party Advisory
https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/dyndns.class#L2151-L2171 [email protected]Product
https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/dyndns.class#L598-L616 [email protected]Product
https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/services_dyndns_edit.php#L138-L141 [email protected]Product

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-73External Control of File Name or Path[email protected]

Affected Products

ProductVersions
pfsense pfsense
<= 2.9.0

CPE

  • cpe:2.3:a:pfsense:pfsense:*:*:*:*:community:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-111230
NVD Published Date:
Oct 15, 2026
NVD Last Modified:
Oct 19, 2026
Source:
[email protected]
CVE-2026-111230 Details - Not Deferred