Heap-based buffer overflow in Windows Server - CVE-2025-54113
Published: September 9, 2025
Vulnerability identifier: #VU115052
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-2025-54113
CWE-ID: CWE-122
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 a boundary error 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 a heap-based buffer 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-2025-54113
Install updates from vendor's website.
Windows Server - addressed in versions 2008 R2 6.1.7601.27929, 2008 6.0.6003.23529, 2012 R2 6.3.9600.22774, 2012 6.2.9200.25675, 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