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Fencer Vulns
critical 9.8

CVE-2025-6260 json

Network Thermostat X-Series WiFi Thermostats Missing Authentication for Critical Function

published 2025-07-24 15 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-22544

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

The 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.

Patch / fix

  • Network Thermostat X-Series WiFi thermostats 4.6, v9.46, v10.29, v11.5

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-25-205-02 updated cvss 9.8

Network Thermostat X-Series WiFi Thermostats

  • Network Thermostat X-Series WiFi thermostats >=v4.5, <v4.6, >=v9.6, <v9.46, >=v10.1, <v10.29, >=v11.1, <v11.5
    affected: vendor fix, mitigation “Network Thermostat recommends users to update to the following (or newer) versions:”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
15 mo ago

Exploit prediction

0.56% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 4.0 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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

Affected products

  • Network Thermostat X-Series WiFi thermostats

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.