CVE-2026-34790 | THREATINT

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.

PUBLISHED Reserved 2026-03-30 | Published 2026-04-02 | Updated 2026-04-03 | Assigner VulnCheck

HIGH: 7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N

HIGH: 7.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

Problem types

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Product status

Default status

unaffected

3.3.25 (semver)

affected

Credits

Alex Williams from Pellera Technologies finder

VulnCheck coordinator

References

help.endian.com/hc/en-us/sections/360004371358-Community (Endian Release Notes) release-notes

www.vulncheck.com/...-cgi-remove-archive-directory-traversal (VulnCheck Advisory: Endian Firewall /cgi-bin/backup.cgi remove ARCHIVE Directory Traversal) third-party-advisory

cve.org (CVE-2026-34790)

nvd.nist.gov (CVE-2026-34790)

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