Hardcoded Credentials Vulnerability in Heatmiser Netmonitor by Heatmiser
CVE-2019-25322

9.3CRITICAL

Key Information:

Vendor

Heatmiser

Status
Heatmiser Netmonitor
Vendor
CVE Published:
12 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2019-25322?

Heatmiser Netmonitor 3.03 is impacted by a critical security flaw involving hardcoded credentials. This vulnerability allows attackers to gain unauthorized access through predictable login information embedded in the networkSetup.htm page. Specifically, the hidden form input fields contain a default username and password of 'admin', enabling exploitation without any authentication barriers.

Affected Version(s)

Heatmiser Netmonitor 3.03

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2019-25322 - Proof of Concept

References

https://www.exploit-db.com/exploits/47823
exploit
https://web.archive.org/web/20190724160628/https://www.he...
product
https://www.zoneregeling.nl/heatmiser/netmonitor-handleid...
product

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ismail Tasdelen
.