CVE-2025-10685
HTTP POST with specific higher content length leads into heap corruption
Heap-based buffer overflow vulnerability in Softing Industrial Automation GmbH smartLink SW-PN and smartLink SW-HT (Webserver modules) allows overflow buffers.This issue affects:
smartLink SW-PN: through 1.03
smartLink SW-HT: through 1.42
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
HTTP POST with specific higher content length leads into heap corruption
Heap-based buffer overflow vulnerability in Softing Industrial Automation GmbH smartLink SW-PN and smartLink SW-HT (Webserver modules) allows overflow buffers.This issue affects:
smartLink SW-PN: through 1.03
smartLink SW-HT: through 1.42
- Record
CVE-2025-10685- CVSS 4.0
- 7.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U/AU:Y/R:A/RE:L/U:Red - Weakness
- CWE-122
- Updated
- 2026-11-02
EUVDEUVD-2025-208727
Heap-based buffer overflow vulnerability in Softing Industrial Automation GmbH smartLink SW-PN and smartLink SW-HT (Webserver modules) allows overflow buffers.This issue affects:
smartLink SW-PN: through 1.03
smartLink SW-HT: through 1.42
- Record
EUVD-2025-208727- CVSS 4.0
- 7.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U/AU:Y/R:A/RE:L/U:Red - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9r22-hfr9-vvx7
Heap-based buffer overflow vulnerability in Softing Industrial Automation GmbH smartLink SW-PN...
Heap-based buffer overflow vulnerability in Softing Industrial Automation GmbH smartLink SW-PN and smartLink SW-HT (Webserver modules) allows overflow buffers.This issue affects:
smartLink SW-PN: through 1.03
smartLink SW-HT: through 1.42
- Record
GHSA-9r22-hfr9-vvx7- CVSS 4.0
- 7.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U/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-122
- Updated
- 2026-11-02
NVD
Heap-based buffer overflow vulnerability in Softing Industrial Automation GmbH smartLink SW-PN and smartLink SW-HT (Webserver modules) allows overflow buffers.This issue affects:
smartLink SW-PN: through 1.03
smartLink SW-HT: through 1.42
- Record
CVE-2025-10685- CVSS 4.0
- 7.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U/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-122
- 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-2025-10685 is a high vulnerability (CVSS 7.7) in Softing Smartlink Sw-ht, published March 16, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.52%, the 44th percentile. No source names a fixed version.
References
industrial.softing.com/fileadmin/psirt/downloads/2025/CVE-2025-10685.html
nvd.nist.gov/vuln/detail/CVE-2025-10685
https//industrial.softing.com/fileadmin/psirt/downloads/2025/CVE-2025-10685.html
github.com/advisories/GHSA-9r22-hfr9-vvx7