PT-2026-29767 · Endian · Endian Firewall

Alex Williams + 1 · Published 2026-04-02 · Updated 2026-04-02 · CVE-2026-34807

Mitre

CVSS v3.1

6.4

Medium

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

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

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-34807

Affected Products

Endian Firewall

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-34807 · Security Note
• https://vulncheck.com/advisories/endian-firewall-cgi-bin-incoming-cgi-remark-stored-cross-site-scripting · Note
• https://help.endian.com/hc/en-us/sections/360004371358-Community · Note