CVE-2026-82933
Received Received - Intake

mH-DEVELOPER Smart Home Module Cleartext Transmission Vulnerability

Publication date: 2026-09-28

Last updated on: 2026-09-28

Assigner: CERT.PL

Description
mH-DEVELOPER smart home module sends its web interface and API traffic over unencrypted HTTP. Passwords, authentication tokens, and device commands are transmitted in cleartext. An attacker on the same network can intercept this traffic, steal credentials and tokens, and hijack sessions. This issue was fixed in version 3.0.30

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Meta Information

Published
2026-09-28
Last Modified
2026-09-28
Generated
2026-09-28
AI Q&A
2026-09-28
EPSS Evaluated
N/A
NVD
CVE-2026-82933
EUVD
EUVD-2026-88232

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mh-developer smart_home_module 3.0.30

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability involves the mH-DEVELOPER smart home module transmitting its web interface and API traffic over unencrypted HTTP. This means sensitive data like passwords and authentication tokens are sent in cleartext, allowing interception by attackers on the same network.

Detection Guidance

To detect unencrypted HTTP traffic from the mH-DEVELOPER smart home module, monitor network traffic for plaintext transmission of passwords, tokens, or commands. Use tools like Wireshark or tcpdump to capture traffic and inspect for HTTP (not HTTPS) requests to the device's IP address. Check if sensitive data appears in cleartext in packet payloads.

Impact Analysis

An attacker could intercept unencrypted traffic to steal credentials, hijack sessions, or gain unauthorized access to the smart home module. This could lead to loss of control over connected devices or exposure of personal data.

Compliance Impact

This vulnerability likely violates data protection requirements in GDPR and HIPAA due to the transmission of sensitive data in cleartext. It could result in non-compliance penalties and increased risk of data breaches.

Mitigation Strategies

Upgrade the mH-DEVELOPER smart home module to version 3.0.30 or later to enable encrypted communication. If an update is unavailable, isolate the device on a separate network segment to limit exposure. Disable remote access if not required and monitor for suspicious activity.

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