CVE-2026-34790

High

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.

SeverityHigh

CVSS7.1

Exploit probability—

ProductEndian Firewall Community

PublishedApr 2, 2026

First seenApr 2, 2026

Weakness typeCWE-22Path traversal

How to fix

Vendor advisories

help.endian.com/hc/en-us/sections/360004371358-Community

Affected products

Product	Affected versions	Fixed in
endian firewall_community	v ≤ 3.3.25	—

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