CVE-2025-13406
Scanning for higher HART revision device leads into NULL pointer dereference in live list
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Active
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
6.8
Scanning for higher HART revision device leads into NULL pointer dereference in live list
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.
- Record
CVE-2025-13406- CVSS 4.0
- 6.8 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/AU:Y/R:A/RE:L/U:Red - Weakness
- CWE-476
- Updated
- 2026-11-02
EUVDEUVD-2025-208781
6.8
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.
- Record
EUVD-2025-208781- CVSS 4.0
- 6.8 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/AU:Y/R:A/RE:L/U:Red - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-94m9-vhc7-hv4q
6.8
NULL Pointer Dereference vulnerability in Softing Industrial Automation GmbH smartLink SW-HT ...
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.
- Record
GHSA-94m9-vhc7-hv4q- CVSS 4.0
- 6.8 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:X/RE:L/U:Red - Weakness
- CWE-476
- Updated
- 2026-11-02
NVD
6.8
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.
- Record
CVE-2025-13406- CVSS 4.0
- 6.8 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:X/RE:L/U:Red - Weakness
- CWE-476
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-13406 is a medium vulnerability (CVSS 6.8) in Softing Smartlink Sw-ht, published March 17, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. No source names a fixed version.
References
industrial.softing.com/fileadmin/psirt/downloads/2025/CVE-2025-13406.html
industrial.softing.com/fileadmin/psirt/downloads/2025/CVE-2025-13406.json
nvd.nist.gov/vuln/detail/CVE-2025-13406
https//industrial.softing.com/fileadmin/psirt/downloads/2025/CVE-2025-13406.html
https//industrial.softing.com/fileadmin/psirt/downloads/2025/CVE-2025-13406.json
github.com/advisories/GHSA-94m9-vhc7-hv4q