CVE-2026-46245

CVE-2026-46245 affects the AMDGPU display driver in the Linux kernel. The vulnerability arises in amdgpu_dm_hpd_init() where a NULL dc_link could be dereferenced while setting up HPD interrupts, despite an earlier check for polling decisions. The provided patch assigns dc_link early and skips con...

EUVD-2026-34107

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix dclink NULL handling in HPD init amdgpudmhpdinit may see connectors without a valid dclink. The code already checks dclink for the polling decision, but later unconditionally dereferences it when setting up H...

CVE-2026-46245 drm/amd/display: Fix dc_link NULL handling in HPD init

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix dclink NULL handling in HPD init amdgpudmhpdinit may see connectors without a valid dclink. The code already checks dclink for the polling decision, but later unconditionally dereferences it when setting up H...

CVE-2026-36603

Mercusys AC12G (EU) V1 router (firmware AC12G(EU)_V1_200909) is affected by a UPnP IGD issue: 15 of 18 UPnP actions are exposed without authentication on port 1900, with UPnP enabled by default via the admin interface. This allows any unauthenticated LAN device to create arbitrary port forwarding...

PT-2026-45996

Mercusys AC12G EU V1 router with firmware AC12GEU V1 200909 allows UPnP AddPortMapping to forward external ports to the router's own admin interface by accepting its own IP 192.168.1.1 or localhost 127.0.0.1 as InternalClient. An unauthenticated LAN attacker can expose the admin panel to the...

EUVD-2026-34142

Mercusys AC12G EU V1 router with firmware AC12GEUV1200909 exposes 15 of 18 UPnP IGD actions without authentication on port 1900, including AddPortMapping and GetExternalIPAddress. UPnP is enabled by default through the admin interface, allowing any unauthenticated LAN device to create arbitrary...

Mercusys AC12G 信息泄露漏洞

The Mercusys AC12G is a Gigabit wireless router produced by the Chinese company Mercusys. The Mercusys AC12G EU V1 AC12G EU V1 version released in September 2009 contained security vulnerabilities. These vulnerabilities were caused by the UPnP GetStatusInfo operation, which disclosed the kernel...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the drm/amd/display module not properly handling the case where dclink is empty during HPD...

PT-2026-46008

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A null pointer dereference exists in the AMD display Hot Plug Detect HPD initialization. The function amdgpu dm hpd init may encounter connectors that lack a valid dc link. While the cod...

Mercusys AC12G 信息泄露漏洞

The Mercusys AC12G is a Gigabit wireless router produced by the Chinese company Mercusys. There are security vulnerabilities in the Mercusys AC12G EU V1 and Mercusys AC12G EU V1 version released in September 2009. These vulnerabilities stem from the UPnP port 1900, where POST requests are receive...

Mercusys AC12G 服务端请求伪造漏洞

The Mercusys AC12G is a Gigabit wireless router produced by the Chinese company Mercusys. The Mercusys AC12G EU V1 AC12G EU V1 version has a security vulnerability. This vulnerability stems from UPnP AddPortMapping accepting internal IP addresses, which may allow unauthenticated LAN attackers to...

CVE-2026-36602

CVE-2026-36602 affects the Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909. The issue arises in UPnP GetStatusInfo handling, which discloses kernel memory layout. An unauthenticated attacker on an adjacent network can obtain a raw MIPS KSEG0 kernel pointer, exposing kernel memory ...

VulnCheck KEV: CVE-2021-27137

DD-WRT router firmware before changeset 45723 contains a stack buffer overflow vulnerability in the UPnP service that allows remote attackers to execute arbitrary code by sending specially crafted M-SEARCH requests with oversized ST:uuid values via UDP port 1900. Attackers can exploit this...

PT-2026-45990

Name of the Vulnerable Software and Affected Versions Mercusys AC12G EU V1 version AC12GEU V1 200909 Description The UPnP GetStatusInfo action discloses kernel memory layout. An unauthenticated attacker on the adjacent network can obtain a raw MIPS KSEG0 kernel pointer, which reveals the kernel...

Linux Distros Unpatched Vulnerability : CVE-2026-46245

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/amd/display: Fix dclink NULL handling in HPD init amdgpudmhpdinit may see connectors without a valid dclink. The code already checks dclink for the polling...

CVE-2026-3870

A buffer overflow vulnerability in the UPnP AddPortMapping command in Zyxel VMG4005-B50B firmware versions through 5.13ABRL.5.4C0 could allow an adjacent attacker to trigger a temporary denial-of-service DoS condition affecting the UPnP function of the affected device...

CVE-2026-3871

A buffer overflow vulnerability in the UPnP DeletePortMapping command in Zyxel VMG4005-B50B firmware versions through 5.13ABRL.5.4C0 could allow an adjacent attacker to trigger a temporary denial-of-service DoS condition affecting the UPnP function of the affected device...

CVE-2026-3870

A buffer overflow vulnerability in the UPnP AddPortMapping command in Zyxel VMG4005-B50B firmware versions through 5.13ABRL.5.4C0 could allow an adjacent attacker to trigger a temporary denial-of-service DoS condition affecting the UPnP function of the affected device...

EUVD-2026-33873

A buffer overflow vulnerability in the UPnP AddPortMapping command in Zyxel VMG4005-B50B firmware versions through 5.13ABRL.5.4C0 could allow an adjacent attacker to trigger a temporary denial-of-service DoS condition affecting the UPnP function of the affected device...

Zyxel VMG4005-B50B 安全漏洞

Zyxel VMG4005-B50B is a network device firmware designed for managing the network functions and configurations of Zyxel VMG4005-B50B router devices. There is a buffer overflow vulnerability present in Zyxel VMG4005-B50B. This vulnerability stems from the UPnP DeletePortMapping command failing to...