WAGO Indsutrial-Managed-Switches up to 02.63 check_account stack-based overflow

Summaryinfo

A vulnerability described as critical has been identified in WAGO Indsutrial-Managed-Switches up to 02.63. This issue affects the function check_account. The manipulation results in stack-based overflow. This vulnerability is reported as CVE-2025-41730. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in WAGO Indsutrial-Managed-Switches up to 02.63. Affected is the function check_account. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An unauthenticated remote attacker can abuse unsafe sscanf calls within the check_account() function to write arbitrary data into fixed-size stack buffers which leads to full device compromise.

The weakness was disclosed by Daniel Hulliger as VDE-2025-095. The advisory is shared for download at certvde.com. This vulnerability is traded as CVE-2025-41730 since 04/16/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

Upgrading to version 02.64 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-202415). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• WAGO

Name

• Indsutrial-Managed-Switches

Version

• 02.0
• 02.1
• 02.2
• 02.3
• 02.4
• 02.5
• 02.6
• 02.7
• 02.8
• 02.9
• 02.10
• 02.11
• 02.12
• 02.13
• 02.14
• 02.15
• 02.16
• 02.17
• 02.18
• 02.19
• 02.20
• 02.21
• 02.22
• 02.23
• 02.24
• 02.25
• 02.26
• 02.27
• 02.28
• 02.29
• 02.30
• 02.31
• 02.32
• 02.33
• 02.34
• 02.35
• 02.36
• 02.37
• 02.38
• 02.39
• 02.40
• 02.41
• 02.42
• 02.43
• 02.44
• 02.45
• 02.46
• 02.47
• 02.48
• 02.49
• 02.50
• 02.51
• 02.52
• 02.53
• 02.54
• 02.55
• 02.56
• 02.57
• 02.58
• 02.59
• 02.60
• 02.61
• 02.62
• 02.63

License

• commercial

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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