Softing Industrial Automation smartLink SW-HT up to 1.43.0 Webserver null pointer dereference

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Softing Industrial Automation smartLink SW-HT up to 1.43.0. Affected by this vulnerability is an unknown functionality of the component Webserver Module. This manipulation causes null pointer dereference. This vulnerability appears as CVE-2025-13406. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Softing Industrial Automation smartLink SW-HT up to 1.43.0 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Webserver Module. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:

NULL Pointer Dereference vulnerability in Softing Industrial Automation GmbH smartLink SW-HT (Webserver modules) allows HTTP DoS.This issue affects smartLink SW-HT: 1.43.

The advisory is shared at industrial.softing.com. This vulnerability is known as CVE-2025-13406 since 11/19/2025. The exploitation appears to be easy. The attack can be launched remotely. Additional levels of successful authentication are necessary for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 1.43.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-208781). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Automation Software

Vendor

• Softing Industrial Automation

Name

• smartLink SW-HT

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28
• 1.29
• 1.30
• 1.31
• 1.32
• 1.33
• 1.34
• 1.35
• 1.36
• 1.37
• 1.38
• 1.39
• 1.40
• 1.41
• 1.42
• 1.43.0

CPE 2.3info

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CPE 2.2info

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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