CVE-2025-49657
published 2025-07-08CVE-2025-49657: Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.
PriorityP356high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.92%
56.3th percentile
Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.
Affected
25 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_server_2008 | — | — |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.1.7601.0 < 6.1.7601.27820 | 6.1.7601.27820 |
| microsoft | windows_server_2008_service_pack_2 | >= 6.0.6003.0 < 6.0.6003.23418 | 6.0.6003.23418 |
| microsoft | windows_server_2012 | — | — |
| microsoft | windows_server_2012 | >= 6.2.9200.0 < 6.2.9200.25573 | 6.2.9200.25573 |
| microsoft | windows_server_2012_r2 | >= 6.3.9600.0 < 6.3.9600.22676 | 6.3.9600.22676 |
| microsoft | windows_server_2016 | < 10.0.14393.8246 | 10.0.14393.8246 |
| microsoft | windows_server_2016 | >= 10.0.14393.0 < 10.0.14393.8246 | 10.0.14393.8246 |
| microsoft | windows_server_2019 | < 10.0.17763.7558 | 10.0.17763.7558 |
| microsoft | windows_server_2019 | >= 10.0.17763.0 < 10.0.17763.7558 | 10.0.17763.7558 |
| microsoft | windows_server_2022 | < 10.0.20348.3932 | 10.0.20348.3932 |
| microsoft | windows_server_2022 | >= 10.0.20348.0 < 10.0.20348.3932 | 10.0.20348.3932 |
| microsoft | windows_server_2022_23h2 | < 10.0.25398.1732 | 10.0.25398.1732 |
| microsoft | windows_server_2025 | < 10.0.26100.4652 | 10.0.26100.4652 |
| microsoft | windows_server_2025 | >= 10.0.26100.0 < 10.0.26100.4652 | 10.0.26100.4652 |
| msrc | windows_server_2008_for_32-bit_systems_service_pack_2 | — | — |
| msrc | windows_server_2008_for_x64-based_systems_service_pack_2 | — | — |
| msrc | windows_server_2008_r2_for_x64-based_systems_service_pack_1 | — | — |
| msrc | windows_server_2012 | — | — |
| msrc | windows_server_2012_r2 | — | — |
| msrc | windows_server_2016 | — | — |
| msrc | windows_server_2019 | — | — |
| msrc | windows_server_2022 | — | — |
| msrc | windows_server_2022_23h2_edition | — | — |
| msrc | windows_server_2025 | — | — |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
vendor_msrc8.8HIGH
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-rph6-qv7m-h34m: Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network
ghsa_unreviewed·2025-07-08
CVE-2025-49657 [HIGH] CWE-122 GHSA-rph6-qv7m-h34m: Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network
Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.
Microsoft
Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
vendor_msrc·2025-07-08·CVSS 8.8
CVE-2025-49657 [HIGH] CWE-122 Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
Description: Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.
FAQ: According to the CVSS metric, the attack vector is network (AV:N), user interaction is required (UI:R), and privileges required are none (PR:N). What does that mean for this vulnerability?
Exploitation of this vulnerability requires an unauthorized attacker to wait for a user to initiate a connection to a malicious server that the attacker has set up prior to the user connecting.
FAQ: How could an attacker exploit this vulnerability?
An attacker could exploit this vulnerability by tricking a user into sending a request to a malicious server via
No detection rules found.
No public exploits indexed.
2025-07-08
Published