setup-ipsec-vpn

English | 简体中文 | 繁體中文 | 日本語 | Русский IPsec VPN Server Auto Setup Scripts Set up your own IPsec VPN server in just a few minutes, with IPsec/L2TP, Cisco IPsec and IKEv2. An IPsec VPN encrypts your network traffic, so that nobody between you and the VPN server can eavesdrop on your data as it...

Docker IPsec VPN Server

English | 简体中文 | 繁體中文 | Русский IPsec VPN Server on Docker Docker image to run an IPsec VPN server, with IPsec/L2TP, Cisco IPsec and IKEv2. Based on Alpine 3.23 or Debian 12 with Libreswan IPsec VPN software and xl2tpd L2TP daemon. An IPsec VPN encrypts your network traffic, so that nobody betwee...

Setup IPsec VPN

English | 简体中文 | 繁體中文 | 日本語 | Русский IPsec VPN Server Auto Setup Scripts Set up your own IPsec VPN server in just a few minutes, with IPsec/L2TP, Cisco IPsec and IKEv2. An IPsec VPN encrypts your network traffic, so that nobody between you and the VPN server can eavesdrop on your data as it...

l2tp-socket-bug

CVE-2014-4943 The PPPoL2TP feature in net/l2tp/l2tpppp.c in the Linux kernel through 3.15.6 allows local users to gain privileges by leveraging data-structure differences between an l2tp socket and an inet socket. CVSS v2 Base Score: 6.9 MEDIUM...

advisories

LinnemanLabs Research and Advisories Security research, advisories, and proof-of-concept code from LinnemanLabs. Advisories and Research Links to write-ups, disclosures, and reproducible PoCs. Project| Findings / Techniques| CVEs| Result| Write-up| PoC ---|---|---|---|---|--- bluez| ?| ?| LPE to...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-43080)

In the Linux kernel, the following vulnerability has been resolved: l2tp: Drop large packets with UDP encap syzbot reported a WARN on my patch series 1. The actual issue is an overflow of 16-bit UDP length field, and it exists in the upstream code. My series added a debug WARN with an overflow...

CVE-2026-100740

CVE-2026-100740 — D-Link DIR-895L L2TP OOB Write Python 3 PoC for CVE-2026-100740 — D-Link DIR-895L firmware A1102b07. Description PoCbit / GitHub CVE-2026-100740 — Out-of-bounds write CWE-787 / CWE-119 in tunnelsetparams tunnel.c, L2TP control channel parser. Host Name AVP length is clamped to 1...

setup-ipsec-vpn

English | 简体中文 | 繁體中文 | 日本語 | Русский Script di configurazione automatica del server VPN IPsec Configura il tuo server VPN IPsec in pochi minuti, con IPsec/L2TP, Cisco IPsec e IKEv2. Una VPN IPsec crittografa il tuo traffico di rete, in modo che nessuno tra te e il server VPN possa intercettare i...

ROS-20261009-73-0112

The vulnerability of the l2tpxmitcore function in the net/l2tp/l2tpcore.c module, which is part of the Linux L2TP protocol implementation, is related to incorrect input validation. Exploiting this vulnerability could allow an attacker to cause a service failure...

ROS-20261006-73-0228

The vulnerability of the net/l2tp/l2tpcore.c component in the Linux operating system is related to the simultaneous execution using shared resources with incorrect synchronization. Exploiting this vulnerability can allow an attacker to cause a service failure...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fixed an issue of signed integer overflow in l2tpip6sendmsg. When len = INTMAX - transhdrlen, the value of ulen = len + transhdrlen will cause an overflow. To address this issue, we can follow the approach used by udpv6 and...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: ipv4, ipv6: Fixed the handling of transhdrlen in ip,6appenddata. Including transhdrlen in the packet length is a problem when the packet is partially filled e.g., a sendMSGMORE operation occurred previously when appending to a...

[SECURITY] [DLA 4808-1] network-manager-l2tp security update

Debian LTS Advisory DLA-4808-1 [email protected] https://www.debian.org/lts/security/ Andreans Henriksson October 01, 2026 https://wiki.debian.org/LTS Package : network-manager-l2tp Version : 1.20.8-1+deb12u1 CVE ID : CVE-2026-19624 CVE-2026-75131 CVE-2026-75883 CVE-2026-93337 Andres...

Debian dla-4808 : network-manager-l2tp - security update

The remote Debian 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4808 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-4808-1 [email protected]...

AlmaLinux 9.6 [TuxCare] Security Update: kernel / kernel-abi-stablelists / kernel-core / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1787305050)

"The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1787305050 advisory. - In the Linux kernel, the following vulnerability has been resolved: l2tp: prevent possible tunnel refcount underflow When a sessi...

Rocky Linux 9.6 [TuxCare] Security Update: kernel / kernel-abi-stablelists / kernel-core / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1787305050)

"The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1787305050 advisory. - In the Linux kernel, the following vulnerability has been resolved: l2tp: prevent possible tunnel refcount underflow When a...

D-Link DIR-822A Router Tunnel Set Params Buffer Overflow

The vulnerability of the tunnelsetparams function in the L2TP Control Message Parser component of D-Link DIR-822A router microprogramming software is related to the output of operations that go beyond the buffer in memory. Exploiting this vulnerability could allow an attacker to compromise the...

L2TP Control Channel Parser Heap Buffer Overflow DoS

The vulnerability of the tunnelsetparams function in the tunnel.c file of the L2TP Control Channel Parser component of the D-Link DIR-895L router microprogramming system is related to the escape operation from the buffer into memory. Exploiting this vulnerability could allow a remote attacker to...

D-Link DIR-895L CVE-2026-100740 L2TP OOB Write Detection

Detects D-Link DIR-895L firmware A1102b07 and an exposed L2TP UDP/1701 service associated with CVE-2026-100740 Host Name AVP out-of-bounds write. !/usr/bin/env python3 -- coding: utf-8 -- """CVE-2026-100740 — D-Link DIR-895L L2TP Host Name AVP OOB write detection.""" from future import annotation...

D-Link DIR-895L L2TP Host Name AVP OOB Write (CVE-2026-100740)

Out-of-bounds one-byte NUL write in the L2TP control parser on D-Link DIR-895L firmware A1102b07 when the Host Name AVP length is 127 peerhostname128. Requires L2TP WAN role / exposed UDP 1701. Set confirm=true to send the crafted SCCRQ trigger on authorized lab targets only. !/usr/bin/env python...