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CVE-2025-10685— HTTP POST with specific higher content length leads into heap corruption

Quick assessment

Affected
Softing smartLink SW-PN
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Softing smartLink SW-HT和Softing smartLink SW-PN都是Softing公司的产品。Softing smartLink SW-HT是一款 HART 多路复用器，无需额外硬件即可简单快速地访问 HART 现场设备。Softing smartLink SW-PN是一款工业通信网关设备。 Softing smartLink SW-PN 1.03及之前版本和Softing smartLink SW-HT 1.42及之前版本存在安全漏洞，该漏洞源于Webserver模块存在堆

AI Predicted 7.8 Difficulty: Moderate EPSS 0.49% · P40

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-10685

Vulnerability Information
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Vulnerability Title
HTTP POST with specific higher content length leads into heap corruption
Source: CVE Program / CVE List V5
Vulnerability Description
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
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Softing smartLink SW-HT和Softing smartLink SW-PN 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Softing smartLink SW-HT和Softing smartLink SW-PN都是Softing公司的产品。Softing smartLink SW-HT是一款 HART 多路复用器，无需额外硬件即可简单快速地访问 HART 现场设备。Softing smartLink SW-PN是一款工业通信网关设备。 Softing smartLink SW-PN 1.03及之前版本和Softing smartLink SW-HT 1.42及之前版本存在安全漏洞，该漏洞源于Webserver模块存在堆
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Softing smartLink SW-PN 0 ~ 1.03 -
Softing smartLink SW-HT 0 ~ 1.42 -

II. Public POCs for CVE-2025-10685

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III. Intelligence Information for CVE-2025-10685

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Vendor Advisories for CVE-2025-10685 (1)

Other References for CVE-2025-10685 (2)

IV. Related Vulnerabilities

Same vendor: Softing
Same weakness: CWE-122

V. Comments for CVE-2025-10685

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