PT-2025-6206 · Siemens · Siplus S7-1200 Cpu+1

Gao Jian · Published 2025-02-11 · Updated 2025-02-11 · CVE-2025-24812

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions: SIMATIC S7-1200 CPU versions prior to V4.7 SIPLUS S7-1200 CPU versions prior to V4.7

Description: A vulnerability has been identified in the affected devices, where they do not process correctly certain specially crafted packets sent to port 102/tcp. This could allow an attacker to cause a denial of service in the device.

Recommendations: For SIMATIC S7-1200 CPU versions prior to V4.7, update to version V4.7 or later to resolve the issue. For SIPLUS S7-1200 CPU versions prior to V4.7, update to version V4.7 or later to resolve the issue. As a temporary workaround, consider restricting access to port 102/tcp to minimize the risk of exploitation.

Fix

Weakness Enumeration

CWE-1286

Related Identifiers

BDU:2026-00194

CVE-2025-24812

Affected Products

Simatic S7-1200 Cpu

Siplus S7-1200 Cpu

References · 6

• https://bdu.fstec.ru/vul/2026-00194 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-24812 · Security Note
• https://twitter.com/CVEnew/status/1889265753091870893 · Twitter Post
• https://t.me/cvedetector/17685 · Telegram Post
• https://t.me/latest_high_impact_cve/1816 · Telegram Post
• https://cert-portal.siemens.com/productcert/html/ssa-224824.html · Note