CVE-2025-62452CWE-122

Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

High · published November 11, 2025

CVSS v3.1
8.0
EPSS
1%
Percentile
57.7
In the wild
Unconfirmed
What it is

🚨 If you thought your network was secure, think again! A heap-based buffer overflow in Windows RRAS lets authorized attackers execute code remotely — it’s like leaving an open door for a sneaky guest! 🔥 This vulnerability is like a poorly designed hotel where guests can access restricted areas by simply hopping over a low fence. Once they’re inside, they can throw a wild party and disrupt everything without anyone noticing! An attacker could potentially execute any code they choose across your network, compromising sensitive information, disrupting services, or even taking control of systems. It's a serious security risk that could lead to unauthorized access and devastating consequences for your network's integrity!

Put simply

This vulnerability is like a poorly designed hotel where guests can access restricted areas by simply hopping over a low fence. Once they’re inside, they can throw a wild party and disrupt everything without anyone noticing! The heap-based buffer overflow in Windows RRAS allows an authorized attacker to manipulate the memory allocation process, leading to arbitrary code execution over the network. This flaw can be exploited without triggering any alarms, making it a stealthy yet powerful vulnerability.

What to do

An attacker could potentially execute any code they choose across your network, compromising sensitive information, disrupting services, or even taking control of systems. It's a serious security risk that could lead to unauthorized access and devastating consequences for your network's integrity! Immediately patch your RRAS to the latest version provided by Microsoft. Audit your network access controls to ensure only necessary permissions are granted to users. Regularly monitor logs for any suspicious activity to catch any potential exploitation attempts early. You've got this! By taking these steps, you’ll bolster your defenses and keep your network secure. 🛡️

The record
Technical detail
CVSS v3.1
8.0 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00847 · 57.7th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2025-11-11T17:59Z
EPSS history
Timeline
  • 11 NOV 17:59Z
    Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
    cvelistv5