EUVD-2026-18268CVSS 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
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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_firewall.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_firewall.cgi. The vulnerability stems from inadequate regular expression validation that fails to prevent command injection in Perl open() calls. …
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Remediation
Within 24 hours: Identify all Endian Firewall 3.3.25 and earlier instances in your environment using asset management tools; restrict network access to /cgi-bin/logs_firewall.cgi to trusted administrator IP ranges only. Within 7 days: Implement web application firewall (WAF) rules to block DATE parameter injection attempts; audit all user accounts with firewall access and disable unnecessary low-privilege administrative accounts. …
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External POC / Exploit Code
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