CVE-2019-25708: Heatmiser Wifi Thermostat 1.7 contains a cross-site request forgery vulnerability that allows attackers to cha

Routine

MEDIUM 4.3DOWNGRADE

CVE-2019-25708 is a medium-severity flaw (CVSS 4.3) affecting wifi thermostat. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Heatmiser Wifi Thermostat 1.7 contains a cross-site request forgery vulnerability that allows attackers to change administrator credentials by tricking authenticated users into submitting malicious requests. Attackers can craft HTML forms targeting the networkSetup.htm endpoint with parameters usnm, usps, and cfps to modify the admin username and password without user consent.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 97%)
CISA exploited list	No
Weakness	CWE-352
Published	2026-04-12
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: heatmiser

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-12 13:16 UTCPublished CVE record published
2026-06-17 02:33 UTCUpdated Record last modified

heatmiser wifi thermostat DOWNGRADE

Affected: 1.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.7

1. Check installed version

apt-cache policy wifi-thermostat || rpm -q wifi-thermostat || wifi-thermostat --version

2. No fixed release: DOWNGRADE to a release before 1.7 (Debian / Ubuntu)

apt-cache madison wifi-thermostat sudo apt install wifi-thermostat=<VERSION_BEFORE_1.7> sudo apt-mark hold wifi-thermostat

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list wifi-thermostat sudo dnf downgrade wifi-thermostat-<VERSION_BEFORE_1.7> sudo dnf versionlock add wifi-thermostat

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-25708?

wifi thermostat: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-25708 being exploited?

CVE-2019-25708 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-25708 affect?

CVE-2019-25708 affects wifi thermostat. Severity is medium (CVSS 4.3). Heatmiser Wifi Thermostat 1.7 contains a cross-site request forgery vulnerability that allows attackers to change administrator credentials by tricking authenticated users into submitting malicious requests. Attackers can craft HTML forms t

How urgent is CVE-2019-25708?

Priority 21/100. Public exploit reference

Software pages

Wi-Fi vulnerabilities

References

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