Integer overflow in Windows Server - CVE-2025-54106

 

Integer overflow in Windows Server - CVE-2025-54106

Published: September 9, 2025


Vulnerability identifier: #VU115053
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-54106
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to integer overflow in Windows Routing and Remote Access Service (RRAS). A remote attacker can wait for a user to initiate a connection to a malicious server, trigger integer overflow and execute arbitrary code on the target system.

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


Affected software

Windows Server

How to mitigate CVE-2025-54106

Install updates from vendor's website.

Windows Server - addressed in versions 2012 R2 6.3.9600.22774, 2016 10.0.14393.8422, 2019 10.0.17763.7792, 2022 23H2 10.0.25398.1849, 2022 10.0.20348.4106, 2022 10.0.20348.4171, 2025 10.0.26100.6508, 2025 10.0.26100.6584

External References

Related Security Bulletins