# CVE-2019-25708: Heatmiser Wifi Thermostat 1.7 Cross-Site Request Forgery

> Attackers can change administrator credentials on Heatmiser Wifi Thermostats by tricking authenticated users into submitting malicious requests.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Apr 2026
- **Updated:** 28 Jul 2026
- **Also known as:** GHSA-3g23-vj39-72pv

## What is CVE-2019-25708?

CVE-2019-25708 is a medium-severity vulnerability in Heatmiser Wifi Thermostat, published on 12 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

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.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2019-25708?

It affects 1 product.


Products: Heatmiser Wifi Thermostat.

## How do I fix CVE-2019-25708?

No fix has been published for CVE-2019-25708 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-25708 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25708 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-25708 and fix it if it is affected.

What it is: CVE-2019-25708 is a medium-severity vulnerability in Heatmiser Wifi Thermostat, published on 12 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25708 exists.

Affected product: Heatmiser Wifi Thermostat. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2019-25708/ (Markdown: https://insights.sbomify.com/CVE-2019-25708/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-25708
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-25708
- OSV: https://osv.dev/vulnerability/CVE-2019-25708

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-25708/
Summaries are generated and may contain mistakes; the official description above is the record.