Security readout for executives and security teams
Plain-English summary
CVE-2019-25708 affects Heatmiser Wifi Thermostat version 1.7. A malicious webpage could cause an already authenticated administrator to submit an unintended request that changes thermostat administrator credentials. This is a moderate business risk for organizations using these devices, especially where management interfaces are reachable from user browsers or poorly segmented networks.
Executive priority
Treat this as a targeted remediation item, not an emergency. Prioritize if these thermostats control sensitive facilities, are remotely reachable, or are managed from shared user networks. Confirm affected assets and apply vendor guidance when available.
Technical view
The issue is a cross-site request forgery vulnerability in Heatmiser Wifi Thermostat 1.7. Public descriptions identify the networkSetup.htm endpoint and credential-related parameters as the affected area. The impact is unauthorized modification of administrator username and password through forged requests made in the context of an authenticated user.
Likely exposure
Exposure is limited to environments running Heatmiser Wifi Thermostat 1.7 where an authenticated administrator can be induced to visit attacker-controlled content. Risk increases if the device management interface is reachable from general user workstations or external networks.
Exploitation context
The source bundle includes an ExploitDB reference, indicating public exploit information exists. The CVE is not listed as KEV in the provided data, and no cited source states active exploitation in the wild.
Researcher notes
Available sources describe CSRF against credential changes but do not provide vendor patch status in the supplied bundle. Do not assume broader Heatmiser models or versions are affected without confirmation. Public exploit reference exists, but active exploitation is not supported by the provided evidence.
Mitigation direction
- Check Heatmiser guidance for firmware updates or vendor-recommended mitigations.
- Restrict thermostat management access to trusted administrative networks only.
- Avoid administering the device from general-purpose browsing sessions.
- Change administrator credentials if unauthorized changes are suspected.
- Monitor for unexpected thermostat account or configuration changes.
Validation and detection
- Inventory Heatmiser Wifi Thermostat devices and confirm firmware version.
- Identify whether any devices run version 1.7.
- Review whether management interfaces are reachable from user networks.
- Check for unexpected administrator username or password changes.
- Confirm administrative workflows avoid untrusted web browsing during active sessions.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-352: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-25708 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (4.0)
- Known Exploited
- No
- Published
Vector: 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
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
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——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
5.3MediumVector: 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
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-46100CVE reference · exploit
- VulnCheck Advisory: Heatmiser Wifi Thermostat 1.7 Cross-Site Request ForgeryCVE reference · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Cross-Site Request Forgery (CSRF)
Cross-Site Request Forgery (CSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.