Cross-Site Request Forgery Vulnerability in Heatmiser Wifi Thermostat
CVE-2019-25708

5.3MEDIUM

Key Information:

Vendor

Heatmiser

Status
Heatmiser Wifi Thermostat
Vendor
CVE Published:
12 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2019-25708?

The Heatmiser Wifi Thermostat 1.7 contains a vulnerability that allows attackers to exploit cross-site request forgery (CSRF) to change administrator credentials without consent. This is achieved by deceiving authenticated users into submitting crafted malicious requests targeting the networkSetup.htm endpoint, where attackers can manipulate critical parameters such as usnm, usps, and cfps. If successful, this attack can lead to unauthorized access and control over the thermostat settings, compromising the security of the device and potentially impacting the user's network.

Affected Version(s)

Heatmiser Wifi Thermostat 1.7

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-2019-25708 - Proof of Concept

References

https://www.exploit-db.com/exploits/46100
exploit
https://www.vulncheck.com/advisories/heatmiser-wifi-therm...
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
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

sajjadbnd
.