Authenticated command execution via Perl open path
Published Apr 2, 2026 · Updated Apr 2, 2026
OS command injection in Endian Community Firewall 3.3.25 and earlier allows remote authenticated users to execute arbitrary OS commands. The logs_clamav.cgi handler builds a file path from the DATE parameter and passes it to Perl open() after an incomplete regular-expression check. Access to the authenticated CGI endpoint is required, after which injected shell syntax executes with the handler's operating-system privileges.
Summary
What happened
OS command injection in Endian Community Firewall 3.3.25 and earlier allows remote authenticated users to execute arbitrary OS commands. The logs_clamav.cgi handler builds a file path from the DATE parameter and passes it to Perl open() after an incomplete regular-expression check. Access to the authenticated CGI endpoint is required, after which injected shell syntax executes with the handler's operating-system privileges.
The record
- CVE
- CVE-2026-34792
- Published
- Apr 2, 2026
- Updated
- Apr 2, 2026
- Vendor
- Endian
- Product
- Endian Community Firewall
- Classifications
- CWE-78, T1059
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Apr 2, 2026CVE publishedPublication date reported by the CVE source.
- Apr 2, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=3.3.25
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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