EUVD-2026-18266
GHSA-3pjf-h669-775r
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3Tags
Description
Endian Firewall version 3.3.25 and prior allow authenticated users to execute arbitrary OS commands via the DATE parameter to /cgi-bin/logs_clamav.cgi. The DATE parameter value is used to construct a file path that is passed to a Perl open() call, which allows command injection due to an incomplete regular expression validation.
Analysis
Remote command execution in Endian Firewall 3.3.25 and earlier allows authenticated users with low privileges to inject arbitrary OS commands through the DATE parameter in /cgi-bin/logs_clamav.cgi. The vulnerability stems from incomplete input validation before passing user-controlled data to Perl's open() function, enabling command injection. …
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Remediation
Within 24 hours: Restrict network access to the Endian Firewall management interface (/cgi-bin/logs_clamav.cgi) to trusted administrative IP ranges only; audit and revoke unnecessary low-privilege user accounts. Within 7 days: Contact Endian support to confirm patch availability timeline for version 3.3.25 and later; implement reverse proxy authentication or VPN requirement for all firewall administrative access. …
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External POC / Exploit Code
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