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Vulnerability record · CVE-2026-34790 · published 2 April 2026

CVE-2026-34790: Endian firewall community path traversal vulnerability

Endian · Firewall Community

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.

7.1 CVSS 4.0 High EPSS 0.91% · top 41.6% CWE-22 · Path traversal
7.1CVSS 4.0 base score
0.91%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://help.endian.com/hc/en-us/sections/360004371358-Community Release Notes
https://www.vulncheck.com/advisories/endian-firewall-cgi-bin-backup-cgi-remove-archive-directory-traversal Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2021-27201Endian firewall community os command injection vulnerabilityEndian Firewall Community (aka EFW) 3.3.2 allows remote authenticated users to execute arbitrary OS commands via shell metacharacters in a backup com…EPSS 2.6%8.7CVE-2026-34796Endian firewall community os command injection vulnerabilityEndian Firewall version 3.3.25 and prior allow authenticated users to execute arbitrary OS commands via the DATE parameter to /cgi-bin/logs_openvpn.c…EPSS 1.9%8.7CVE-2026-34797Endian firewall community os command injection vulnerabilityEndian Firewall version 3.3.25 and prior allow authenticated users to execute arbitrary OS commands via the DATE parameter to /cgi-bin/logs_smtp.cgi.…EPSS 1.9%8.7CVE-2026-34794Endian firewall community os command injection vulnerabilityEndian Firewall version 3.3.25 and prior allow authenticated users to execute arbitrary OS commands via the DATE parameter to /cgi-bin/logs_ids.cgi. …EPSS 1.9%8.7CVE-2026-34795Endian firewall community os command injection vulnerabilityEndian Firewall version 3.3.25 and prior allow authenticated users to execute arbitrary OS commands via the DATE parameter to /cgi-bin/logs_log.cgi. …EPSS 1.9%8.7CVE-2026-34792Endian firewall community os command injection vulnerabilityEndian Firewall version 3.3.25 and prior allow authenticated users to execute arbitrary OS commands via the DATE parameter to /cgi-bin/logs_clamav.cg…EPSS 1.9%8.7CVE-2026-34793Endian firewall community os command injection vulnerabilityEndian Firewall version 3.3.25 and prior allow authenticated users to execute arbitrary OS commands via the DATE parameter to /cgi-bin/logs_firewall.…EPSS 1.9%8.7CVE-2026-34791Endian firewall community os command injection vulnerabilityEndian Firewall version 3.3.25 and prior allow authenticated users to execute arbitrary OS commands via the DATE parameter to /cgi-bin/logs_proxy.cgi…EPSS 1.9%

Source: NIST National Vulnerability Database (record CVE-2026-34790), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.