Medium severity6.4NVD Advisory· Published Apr 2, 2026· Updated Apr 6, 2026

CVE-2026-34817

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Endian/Firewall Community
cpe:2.3:a:endian:firewall_community:*:*:*:*:*:*:*:*
Range: <=3.3.25
Endian/Firewallllm-fuzzy
Range: <=3.3.25

Patches

Vulnerability mechanics

References

www.vulncheck.com/advisories/endian-firewall-cgi-bin-smtprouting-cgi-address-bcc-stored-cross-site-scriptingnvdThird Party Advisory
help.endian.com/hc/en-us/sections/360004371358-CommunitynvdRelease Notes

News mentions

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cvss	0.416
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000