CVE-2018-25396

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 v4.0

8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.31% chance of exploitation in the next 30 days, 24th percentile

Published

2026-05-29

Updated

2026-07-28

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/45623

References

• CVE Record
• NVD entry

Related

• CVE-2018-25395
• CVE-2018-25397
• CVE-2018-25394
• CVE-2018-25398
• CVE-2018-25393
• CVE-2018-25399