CVE-2025-6260
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedThe embedded web server on the thermostat listed version ranges contain a vulnerability that allows unauthenticated attackers, either on the local area network or from the Internet via a router with port forwarding set up, to gain direct access to the thermostat's embedded web server and reset user credentials by manipulating specific elements of the embedded web interface.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceCritical authentication bypass vulnerability in thermostat embedded web servers allows unauthenticated attackers on the LAN or Internet to reset user credentials by manipulating specific web interface elements, achieving full device control without any authentication.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify thermostat web interfaces on your networkScan your network for devices running HTTP/HTTPS on common ports (80, 443, 8080) and examine the web interface for thermostat branding, controls, or temperature-related elementsAffected if A thermostat device with an embedded web server is found on your network
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Check if the web interface is exposed to untrusted networksReview your router/firewall NAT rules and port forwarding configurations to determine if the thermostat web interface ports (80, 443, 8080) are forwarded to the internet or an untrusted network segmentAffected if Port forwarding or NAT rules expose the thermostat web interface to the internet or untrusted networks
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Verify authentication is required for credential resetAccess the thermostat web interface from an unauthenticated browser session and attempt to navigate to password reset or credential change endpoints without logging inAffected if The device allows access to password reset or credential modification pages without any authentication token or session
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Test unauthenticated credential manipulationUsing an HTTP client (curl or similar), send requests to common reset endpoints like /reset, /password/reset, /admin/reset, or /settings/password without providing any authentication credentialsAffected if The device accepts and processes unauthenticated requests to modify or reset user credentials
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Confirm network isolation statusCheck whether the thermostat is on the same network segment as untrusted devices or if it is isolated on a restricted VLAN with firewall rules blocking inbound access from untrusted zonesAffected if The thermostat is not isolated on a restricted VLAN and is accessible from general network segments without firewall protection
Your environment is affected if you have a thermostat with an embedded web server that is either exposed to the internet or accessible from untrusted network segments without requiring authentication for credential reset operations.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataImmediately restrict network exposure by removing port forwarding rules and isolating the device on a restricted VLAN; contact vendor for firmware patch and apply immediately when available.
- Consultation3.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,880.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-6260 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-6260 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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