CVE-2019-25322 Heatmiser Netmonitor 3.03 - Hardcoded Credentials
Attackers can gain administrative access to Heatmiser Netmonitor devices using hardcoded default credentials, compromising device security.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-25322?
CVE-2019-25322 is a critical vulnerability in Heatmiser Netmonitor, published on 12 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-798
Which versions are affected by CVE-2019-25322?
How do I fix CVE-2019-25322?
No fix has been published for CVE-2019-25322 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-25322 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25322 exists.
Sources
Also known as GHSA-4mqf-r24p-f3vh.