CVE-2026-48132 VPN service may restart unexpectedly when processing IKE traffic over NAT-T 4500/UDP

The Security Gateway does not correctly validate a length value in certain IKE packets when NAT-T is used 4500/UDP. As a result, a specially crafted or malformed packet can cause the VPN processing service to terminate unexpectedly, leading to denial of service temporary interruption of VPN...

EUVD-2026-31819

The Security Gateway does not correctly validate a length value in certain IKE packets when NAT-T is used 4500/UDP. As a result, a specially crafted or malformed packet can cause the VPN processing service to terminate unexpectedly, leading to denial of service temporary interruption of VPN...

CVE-2026-48131 VPND IKE Fragment Reassembly - Heap Out-of-Bounds Write via Sequence Number Zero

The VPN service may mishandle an unexpected IKE fragment value received on the IKE port 500/UDP during the early stage of a connection attempt. This can cause the service to terminate unexpectedly, resulting in denial of service temporary disruption of VPN-related functionality...

CVE-2026-48131

The VPN service may mishandle an unexpected IKE fragment value received on the IKE port 500/UDP during the early stage of a connection attempt. This can cause the service to terminate unexpectedly, resulting in denial of service temporary disruption of VPN-related functionality...

EUVD-2026-31818

The VPN service may mishandle an unexpected IKE fragment value received on the IKE port 500/UDP during the early stage of a connection attempt. This can cause the service to terminate unexpectedly, resulting in denial of service temporary disruption of VPN-related functionality...

PT-2026-43236

Name of the Vulnerable Software and Affected Versions Security Gateway affected versions not specified Description The Security Gateway fails to correctly validate a length value in specific IKE packets when NAT-T NAT Traversal, a method allowing VPN traffic to pass through NAT devices is used vi...

EUVD-2018-21891

Nord VPN 6.14.31 contains a denial of service vulnerability that allows unauthenticated attackers to crash the application by submitting an excessively long string in the password field. Attackers can paste a buffer of repeated characters into the password input field to trigger an application...

CVE-2018-25368 Nord VPN 6.14.31 Denial of Service via Password Field

Nord VPN 6.14.31 contains a denial of service vulnerability that allows unauthenticated attackers to crash the application by submitting an excessively long string in the password field. Attackers can paste a buffer of repeated characters into the password input field to trigger an application...

CVE-2018-25368

Nord VPN 6.14.31 contains a denial of service vulnerability that allows unauthenticated attackers to crash the application by submitting an excessively long string in the password field. Attackers can paste a buffer of repeated characters into the password input field to trigger an application...

CVE-2018-25368 Nord VPN 6.14.31 Denial of Service via Password Field

Nord VPN 6.14.31 contains a denial of service vulnerability that allows unauthenticated attackers to crash the application by submitting an excessively long string in the password field. Attackers can paste a buffer of repeated characters into the password input field to trigger an application...

EUVD-2026-31670

A flaw has been found in Totolink A8000RU 7.1cu.643b20200521. This vulnerability affects the function setOpenVpnCertGenerationCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument servername can lead to os command injection. The...

CVE-2026-9454 Totolink A8000RU Web Management cstecgi.cgi setOpenVpnCertGenerationCfg os command injection

A flaw has been found in Totolink A8000RU 7.1cu.643b20200521. This vulnerability affects the function setOpenVpnCertGenerationCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument servername can lead to os command injection. The...

Nord VPN 安全漏洞

Nord VPN is a proxy software from Nord VPN, Inc. A security vulnerability exists in Nord VPN version 6.14.31 that stems from a denial of service in the password field, which could allow an unauthenticated attacker to crash the application by submitting an extra-long string...

TOTOLINK A8000RU 操作系统命令注入漏洞

The TOTOLINK A8000RU is a wireless router from China's Gion Electronics TOTOLINK. The Totolink A8000RU version 7.1cu.643b20200521 suffers from an OS command injection vulnerability that originates from the operation of the parameter enabled of the function setOpenVpnCfg in the file...

PT-2026-43043

A vulnerability has been found in Totolink A8000RU 7.1cu.643 b20200521. This issue affects the function UploadOpenVpnCert of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument FileName leads to os command injection. Remote exploitation of the...

First VPN Dismantled in Global Takedown Over Use by 25 Ransomware Groups

Authorities in Europe and North America have announced the dismantling of a criminal virtual private network VPN service used by criminal actors to obscure the origins of ransomware attacks, data theft, scanning, and denial-of-service attacks. Codenamed Operation Saffron, the disruption of First...

From edge appliance to enterprise compromise: Multi-stage Linux intrusion via F5 and Confluence

In this article 1. Attack chain overview 1. Initial access: Exploiting edge appliances 2. Discovery and reconnaissance 3. Lateral movement and identity compromise 2. Mitigation and protection guidance 1. Microsoft Defender XDR detections 2. Advanced hunting 3. Indicators of compromise IOC 4. MITR...

CVE-2025-58074

A privilege escalation vulnerability exists during the installation of Norton Secure VPN via the Microsoft Store. A low-privilege user can replace files during the installation process, which may result in deletion of arbitrary files that can lead to elevation of privileges...

Webworm Deploys EchoCreep and GraphWorm Backdoors Using Discord and MS Graph API

Cybersecurity researchers have flagged fresh activity from a China-aligned threat actor known as Webworm in 2025, deploying custom backdoors that employ Discord and Microsoft Graph API for command-and-control C2 or C&C communications. Webworm, first publicly documented by Broadcom-owned Symantec ...

CVE-2026-48131 - VPND IKE Fragment Reassembly - Heap Out-of-Bounds Write via Sequence Number Zero

Symptoms - The VPN service may mishandle an unexpected IKE fragment value received on the IKE port 500/UDP during the early stage of a connection attempt. This can cause the service to terminate unexpectedly, resulting in denial of service temporary disruption of VPN-related functionality. - The...