HTTP POST with specific higher content length leads into heap corruption
Priority MEDIUM 40CWE-122Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.
Summary
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
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00524 44th percentileScored 2026-11-07
Fix Fixed smartLink SW-PN (Softing): 1.04smartLink SW-HT (Softing): 1.43
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA smartLink SW-PN (Softing) Fixed in 1.04
- Fix · CNA smartLink SW-HT (Softing) Fixed in 1.43
Timeline
- 2026-10-02 Threatist record created from CVE-2025-10685
- 2026-10-03 Alias added: GHSA-9r22-hfr9-vvx7
References
More Softing vulnerabilities
- TI-2023-19550 Path traversal in Softing edgeAggregator CVSS 3.1HIGH 7.2
- TI-2022-02157 Softing Secure Integration Server Improper Authentication CVSS 3.1CRITICAL 9.8
- TI-2022-02155 Softing Secure Integration Server Uncontrolled Search Path Element CVSS 3.1HIGH 7.2
- TI-2022-01254 Softing Secure Integration Server Relative Path Traversal CVSS 3.1HIGH 7.2
- TI-2025-06732 Bypass the client certificate trust check of an opc.https server while only secure communication is allowed CVSS 3.1CRITICAL 9.1
- TI-2020-11375 Heap-based buffer overflow in Softing Industrial Automation all versions prior to the… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-10685 · CVE Program
- CVE-2025-10685 · NVD
- FIRST EPSS
- GHSA-9r22-hfr9-vvx7 · GitHub Advisory Database · CC BY 4.0
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