CVE-2025-49673 is a critical heap-based buffer overflow vulnerability in Windows Routing and Remote Access Service (RRAS), impacting various Windows Server versions from 2008 through 2025. This flaw carries a high CVSS score of 8.8, indicating that an unauthenticated attacker can achieve remote code execution over the network with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, including a mention in a BleepingComputer article regarding Microsoft's July 2025 Patch Tuesday. Its FAUCET Risk Score of 83/100 highlights its significant potential impact despite the current lack of active exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:* | ||
r2CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* | ||
r2CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.