CVE-2018-25396

HIGH

Heatmiser Wifi Thermostat 1.7 Credential Disclosure via networkSetup.htm

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-25396. PoCs published by d0wnp0ur.

AI-analyzed exploit summary This script exploits an information disclosure vulnerability in Heatmiser Wifi Thermostat 1.7 by fetching the 'networkSetup.htm' page, which contains plaintext credentials. It parses the HTML to extract the username and password.

Description

Heatmiser Wifi Thermostat 1.7 contains a credential disclosure vulnerability that allows unauthenticated attackers to retrieve administrative credentials by accessing the networkSetup.htm page. Attackers can request the networkSetup.htm endpoint and extract plaintext username and password values from HTML form fields to gain administrative access to the thermostat.

Exploits (1)

exploitdb WORKING POC
by d0wnp0ur · bashwebappshardware
https://www.exploit-db.com/exploits/45623

This script exploits an information disclosure vulnerability in Heatmiser Wifi Thermostat 1.7 by fetching the 'networkSetup.htm' page, which contains plaintext credentials. It parses the HTML to extract the username and password.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Heatmiser Wifi Thermostat 1.7
No auth needed
Prerequisites: network access to the thermostat's web interface
devstral-2 · analyzed May 29, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit exploit
ExploitDB-45623
https://www.exploit-db.com/exploits/45623
Third Party Advisory third-party-advisory
VulnCheck Advisory: Heatmiser Wifi Thermostat 1.7 Credential Disclosure via networkSetup.htm
https://www.vulncheck.com/advisories/heatmiser-wifi-thermostat-credential-disclosure-via-networksetup-htm

Scores

CVSS v3 7.5
EPSS 0.0031
EPSS Percentile 22.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-256
Status published
Products (1)
Heatmiser/Heatmiser Wifi Thermostat 1.7
Published May 29, 2026
Tracked Since May 29, 2026