Vulnerability · Published Mar 16, 2026 · Assigned by Softing

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

High 7.7

In plain English

A high-severity heap buffer overflow in smartLink SW-HT from Softing. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).

Severity (CVSS 4.0)7.7High
Exploit odds (30 days)0.5%top 55.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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

Affected products (as reported)

VendorProductVersions
Softing smartLink SW-PN 0 – through 1.03
Softing smartLink SW-HT 0 – through 1.42

Weakness: CWE-122 · Vector: 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

References