Buffer overflow in Siemens products - CVE-2025-40815

Vulnerability identifier: #VU118372

CSH Severity: Low

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-40815

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing TCP packets. A remote administrator can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

LOGO! 12/24RCE
LOGO! 12/24RCEo
LOGO! 230RCE
LOGO! 230RCEo
LOGO! 24CE
LOGO! 24CEo
LOGO! 24RCE
LOGO! 24RCEo
SIPLUS LOGO! 12/24RCE
SIPLUS LOGO! 12/24RCEo
SIPLUS LOGO! 230RCE
SIPLUS LOGO! 230RCEo
SIPLUS LOGO! 24CE
SIPLUS LOGO! 24CEo
SIPLUS LOGO! 24RCE
SIPLUS LOGO! 24RCEo

Install updates from vendor's website.

• https://cert-portal.siemens.com/productcert/html/ssa-267056.html

• Multiple vulnerabilities in Siemens LOGO! 8 BM devices