pptp

A newly disclosed vulnerability in Windows Routing and Remote Access Service (RRAS) — tracked as CVE-2025-53806 in the Microsoft Security Response Center entry provided by the reporter — is an out‑of‑bounds read / buffer over‑read that can allow an attacker to obtain memory contents from an...

Microsoft has assigned CVE-2025-53796 to a newly disclosed vulnerability in the Windows Routing and Remote Access Service (RRAS) that can cause a buffer over‑read / use of an uninitialized resource, allowing an attacker to disclose memory contents over a network; organizations that run RRAS as a...

CVE-2025-55225 is an out‑of‑bounds read (information‑disclosure) vulnerability in the Windows Routing and Remote Access Service (RRAS) that can allow a remote attacker to cause RRAS to return memory contents it should not disclose. Overview What it is: an out‑of‑bounds read /...

CVE-2025-54097 — Windows RRAS Information‑Disclosure Vulnerability An in‑depth feature for security teams and administrators Summary What it is: An out‑of‑bounds read in the Windows Routing and Remote Access Service (RRAS) that can cause RRAS to disclose contents of memory to a remote...

Microsoft’s Security Response Center lists CVE-2025-54095 as an out-of-bounds read in the Windows Routing and Remote Access Service (RRAS) that can disclose memory contents to a remote attacker over the network. Background / Overview Routing and Remote Access Service (RRAS) is a long‑standing...

Microsoft has published an advisory for CVE-2025-54096, a vulnerability in the Windows Routing and Remote Access Service (RRAS) that allows an out-of-bounds read and can be abused by a remote attacker to disclose sensitive information over a network — a high-priority fix for any server running...

Microsoft has released security updates addressing a dangerous heap-based buffer overflow in the Windows Routing and Remote Access Service (RRAS) that can allow remote code execution against RRAS-enabled servers; administrators should treat this as a high-priority patching event, verify the...

A newly disclosed heap-based buffer overflow in the Windows Routing and Remote Access Service (RRAS) — tracked as CVE-2025-50163 — allows remote, unauthenticated attackers to execute arbitrary code over a network against servers running RRAS, elevating the threat posture for any organization...

Title: CVE-2025-50156 — Windows Routing and Remote Access Service (RRAS) Information Disclosure (Uninitialized Resource) Executive summary What happened: An information-disclosure vulnerability (CVE-2025-50156) was reported in Windows Routing and Remote Access Service (RRAS). The flaw is caused...

In a significant shift destined to impact IT administrators and security-savvy users across the globe, Microsoft has taken a bold step by officially deprecating two widely used Virtual Private Network (VPN) protocols: the Point-to-Point Tunneling Protocol (PPTP) and Layer 2 Tunneling Protocol...

Having an issue with a VPN. The VPN is a basic PPTP VPN which is setup on our Firewall, for a user to connect the simply create a new VPN point it to our IP and log in with a username and password. The test machine im using is a laptop running Windows 7 64-BIT Professional. I can connect to...

Revision Note: V1.0 (August 20, 2012): Advisory published. Summary: Microsoft is aware that detailed exploit code has been published for known weaknesses in the Microsoft Challenge Handshake Authentication Protocol version 2 (MS-CHAP v2). The MS-CHAP v2 protocol is widely used as an...

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Today, we published Security Advisory 2743314, which provides guidance that will help protect customers from a technique that could allow a man-in-the middle attack to obtain a user’s domain credentials when VPN is configured to use PPTP and MSCHAPv2. Customers concerned with this...

Revision Note: V1.0 (August 20, 2012): Advisory published. Summary: Microsoft is aware that detailed exploit code has been published for known weaknesses in the Microsoft Challenge Handshake Authentication Protocol version 2 (MS-CHAP v2). The MS-CHAP v2 protocol is widely used as an...

Provides recommendations for organizations that use MS-CHAP v2/PPTP to implement the Protected Extensible Authentication Protocol (PEAP) in their networks. This mitigates known attacks by encapsulating the MS-CHAP v2 authentication traffic in TLS. More...

Hi I am having problems getting VPN connections to work for power users, details below: - Client machines are domain computers (2003 domain funct lvl), running Win7 pro (64bit) - Users are domain users, with power user, and network configuration, local machine membership. - UAC has been...

So I've tried to set up a PPTP connection for browsing through that. It works fine upon initial connection but after a seemingly random amount of minutes it stops working and goes from "Internet access" to "No network access" (still connected to the VPN server). My wireless connection has...

I have a windows 7 ultimate setup at home allowing a VPN connections via ptppp using the incoming setup. I set up the Client which is my Ipad 2 the connection goes through fine authenticating and then connected internally within the network and externally outside the network. Everything seems...