CVE-2026-5667CWE-798

Information Disclosure, Information Tampering, or Denial-of-Service (DoS) Vulnerability in Multiple Home Appliances

High · published June 17, 2026

CVSS v4.0
7.2
EPSS
0%
Percentile
14.0
In the wild
Unconfirmed
What it is

Use of Hard-coded Credentials vulnerability in Mitsubishi Electric Room Air Conditioners (for Japan and outside Japan); Wireless LAN Adapters for Room Air Conditioners (for Japan and outside Japan); Wireless LAN Adapters for Packaged Air Conditioners (for Japan and outside Japan); Refrigerators (for Japan); Heat Pump Water Heaters / HEMS-Compatible Adapters / Wireless LAN Adapters (for Japan); Bathroom Dryer / Heater / Ventilation Systems (for Japan); Adapters for Airflow Ventilation Systems, Heat Pump Chilled / Hot Water Systems, and Ventilation / Air-Conditioning System Air Resorts (for Japan); Lossnay Central Ventilation Systems (for Japan); Smart Switches for Ventilation Fans and Lossnay (for Japan); IH Cooking Heaters (for Japan); and Rice Cookers (for Japan) allows an attacker within Wi-Fi radio range of an affected product to access the affected product using a hard-coded SSID and password, thereby obtaining device data such as operation status, room set temperature, and room temperature; changing the air-conditioner or Wi-Fi settings; or causing Wi-Fi communication to enter a denial-of-service (DoS) condition.

The record
Technical detail
CVSS v4.0
7.2 · HIGH
Vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
EPSS
0.00238 · 14.0th percentile
Weakness
CWE-798 · Use of Hard-coded Credentials
Published
2026-06-17T10:53Z
EPSS history
Timeline
  • 17 JUN 10:53Z
    Information Disclosure, Information Tampering, or Denial-of-Service (DoS) Vulnerability in Multiple Home Appliances
    cvelistv5