CVE-2026-34790 HIGH

CVE-2026-34790: Endian Firewall /cgi-bin/backup.cgi remove ARCHIVE Directory Traversal

Vendor Endian
Product Endian Firewall
Weakness CWE-22 · Path traversal
Published April 2, 2026
Last update May 25, 2026
View on NVD All CVEs

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 2, 2026 CVE published
May 25, 2026 Record updated