CVE-2026-34809

Impact

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

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• https://help.endian.com/hc/en-us/sections/360004371358-Community
• https://www.vulncheck.com/advisories/endian-firewall-cgi-bin-zonefw-cgi-remark-stored-cross-site-scripting