CVE-2026-34799

Medium

Description

Endian Firewall version 3.3.25 and prior allow stored cross-site scripting (XSS) via the remark parameter to /manage/dnsmasq/hosts/. An authenticated attacker can inject arbitrary JavaScript that is stored and executed when other users view the affected page.

SeverityMedium

CVSS6.4

Exploit probability—

ProductEndian Firewall Community

PublishedApr 2, 2026

First seenApr 2, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

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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