Vulnerability Details CVE-2026-34790
Endian Firewall version 3.3.25 and prior allow authenticated users to delete arbitrary files via directory traversal in the remove ARCHIVE parameter to /cgi-bin/backup.cgi. The remove ARCHIVE parameter value is used to construct a file path without sanitization of directory traversal sequences, which is then passed to an unlink() call.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.007
EPSS Ranking 51.3%
CVSS Severity
CVSS v3 Score 7.1
References
Products affected by CVE-2026-34790
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cpe:2.3:a:endian:firewall_community:1.1
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cpe:2.3:a:endian:firewall_community:2.0
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cpe:2.3:a:endian:firewall_community:2.1
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cpe:2.3:a:endian:firewall_community:2.1.1
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cpe:2.3:a:endian:firewall_community:2.1.2
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cpe:2.3:a:endian:firewall_community:2.2
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cpe:2.3:a:endian:firewall_community:2.3
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cpe:2.3:a:endian:firewall_community:2.4
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cpe:2.3:a:endian:firewall_community:2.4.1
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cpe:2.3:a:endian:firewall_community:2.5
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cpe:2.3:a:endian:firewall_community:2.5.1
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cpe:2.3:a:endian:firewall_community:2.5.2
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cpe:2.3:a:endian:firewall_community:3.0.0
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cpe:2.3:a:endian:firewall_community:3.0.5
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cpe:2.3:a:endian:firewall_community:3.2.0
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cpe:2.3:a:endian:firewall_community:3.2.1
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cpe:2.3:a:endian:firewall_community:3.2.2
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cpe:2.3:a:endian:firewall_community:3.2.4
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cpe:2.3:a:endian:firewall_community:3.2.5
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cpe:2.3:a:endian:firewall_community:3.3.0
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cpe:2.3:a:endian:firewall_community:3.3.13
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cpe:2.3:a:endian:firewall_community:3.3.15
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cpe:2.3:a:endian:firewall_community:3.3.2
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cpe:2.3:a:endian:firewall_community:3.3.23
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cpe:2.3:a:endian:firewall_community:3.3.25