Vulnerability details

CVE-2018-25396

Heatmiser Wifi Thermostat

Heatmiser Wifi Thermostat 1.7 Credential Disclosure via networkSetup.htm

CVSS 4.0
8.7High

Official 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.

CVSS scores

ScoreVersionSourceVector
8.7High 4.0 CVEProject cvelistV5 (CNA) (VulnCheck) CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
7.5High 3.1 CVEProject cvelistV5 (CNA) (VulnCheck) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

VendorProductVersionsSource
Heatmiser Heatmiser Wifi Thermostat 1.7 CVEProject cvelistV5 (CNA)

References and advisories

2
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Details

Published
2026-05-29
Last updated
2026-07-28
State
Published
Assigner (CNA)
VulnCheck

Exploit prediction (EPSS)

0.31%
Probability of exploitation in 30 days
24.3%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
Proof of concept
Technical impact
Partial

Weaknesses (CWE)

  • CWE-256
    Plaintext Storage of a Password