Cyber Resilience

CVE-2018-25396

HighPublic PoC

Published: 29 May 2026

Published
29 May 2026
Modified
01 June 2026
KEV Added
Patch
CVSS Score v4 8.7 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/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
EPSS Score 0.0031 23.1th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2018-25396 is a high-severity Plaintext Storage of a Password (CWE-256) vulnerability. Its CVSS base score is 8.7 (High).

Operationally, ranked at the 23.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

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…

more

gain administrative access to the thermostat.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-256

Protection of passwords and credentials at rest forces encryption or equivalent controls instead of plaintext storage.

References