CVE-2025-40743 - CVE House
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Status published High CVE-2025-40743

A vulnerability has been identified in SINUMERIK 828D PPU.4 (All...

Vulnerability Description

A vulnerability has been identified in SINUMERIK 828D PPU.4 (All versions < V4.95 SP5), SINUMERIK 828D PPU.5 (All versions < V5.25 SP1), SINUMERIK 840D sl (All versions < V4.95 SP5), SINUMERIK MC (All versions < V1.25 SP1), SINUMERIK MC V1.15 (All versions < V1.15 SP5), SINUMERIK ONE (All versions < V6.25 SP1), SINUMERIK ONE V6.15 (All versions < V6.15 SP5). The affected application improperly validates authentication for its VNC access service, allowing access with insufficient password verification. This could allow an attacker to gain unauthorized remote access and potentially compromise system confidentiality, integrity, or availability.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

SINUMERIK 828D PPU.4, SINUMERIK 828D PPU.5, SINUMERIK 840D sl, SINUMERIK MC, SINUMERIK MC V1.15, SINUMERIK ONE, SINUMERIK ONE V6.15
Vulnerable Versions:
0

Timeline

Official Publish: August 12th, 2025
Last Modified: August 13th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Weaknesses (CWE)