Janitza UMG 96-PA/UMG 96-PA-MID+ up to 3.53 Modbus improper validation of specified type of input

Summaryinfo

A vulnerability classified as critical was found in Janitza UMG 96-PA and UMG 96-PA-MID+ up to 3.53. This affects an unknown part of the component Modbus Handler. Such manipulation leads to improper validation of specified type of input. This vulnerability is listed as CVE-2025-41729. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Janitza UMG 96-PA and UMG 96-PA-MID+ up to 3.53. It has been rated as critical. Affected by this issue is an unknown function of the component Modbus Handler. The manipulation with an unknown input leads to a improper validation of specified type of input vulnerability. Using CWE to declare the problem leads to CWE-1287. The product receives input that is expected to be of a certain type, but it does not validate or incorrectly validates that the input is actually of the expected type. Impacted is availability. CVE summarizes:

An unauthenticated remote attacker can send a specially crafted Modbus read command to the device which leads to a denial of service.

The weakness was presented by Milence as VDE-2025-094. The advisory is shared for download at certvde.com. This vulnerability is handled as CVE-2025-41729 since 04/16/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 3.54 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-2667). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

• Janitza UMG

Productinfo

Vendor

• Janitza

Name

• UMG 96-PA
• UMG 96-PA-MID+

Version

• 3.0
• 3.1
• 3.2
• 3.3
• 3.4
• 3.5
• 3.6
• 3.7
• 3.8
• 3.9
• 3.10
• 3.11
• 3.12
• 3.13
• 3.14
• 3.15
• 3.16
• 3.17
• 3.18
• 3.19
• 3.20
• 3.21
• 3.22
• 3.23
• 3.24
• 3.25
• 3.26
• 3.27
• 3.28
• 3.29
• 3.30
• 3.31
• 3.32
• 3.33
• 3.34
• 3.35
• 3.36
• 3.37
• 3.38
• 3.39
• 3.40
• 3.41
• 3.42
• 3.43
• 3.44
• 3.45
• 3.46
• 3.47
• 3.48
• 3.49
• 3.50
• 3.51
• 3.52
• 3.53

CPE 2.3info

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CPE 2.2info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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