Vulnerability · Published Apr 2, 2026 · Assigned by VulnCheck
CVE-2026-34806Endian Firewall /cgi-bin/snat.cgi remark Stored Cross-Site Scripting
Medium 6.4
In plain English
A medium-severity cross-site scripting in Endian Firewall from Endian. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Severity (CVSS 3.1)6.4Medium
Exploit odds (30 days)0.2%top 93.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Endian Firewall version 3.3.25 and prior allow stored cross-site scripting (XSS) via the remark parameter to /cgi-bin/snat.cgi. An authenticated attacker can inject arbitrary JavaScript that is stored and executed when other users view the affected page.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Endian | Endian Firewall | 3.3.25 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
References
- Endian Release Notes release-notes
- VulnCheck Advisory: Endian Firewall /cgi-bin/snat.cgi remark Stored Cross-Site Scripting third-party-advisory