CVE-2026-45599

Use after free in Universal Plug and Play upnp.dll allows an unauthorized attacker to execute code over a network...

CVE-2026-45635

Use after free in Universal Plug and Play upnp.dll allows an unauthorized attacker to execute code over a network...

EUVD-2026-35563

Use after free in Universal Plug and Play upnp.dll allows an unauthorized attacker to execute code over a network...

CVE-2026-45635 Windows UPnP Device Host Remote Code Execution Vulnerability

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CVE-2026-45635

CVE-2026-45635 affects Windows UPnP Device Host through a use-after-free in upnp.dll, enabling remote code execution over the network. The issue is tied to the Universal Plug and Play component, with impact described as remote, unauthenticated code execution; CVSSv3.1 base score 8.1 (HIGH). Affec...

CVE-2026-45599

The CVE-2026-45599 entry describes a use-after-free in Windows’ Universal Plug and Play component (upnp.dll) that enables a remote attacker to execute code over the network via the UPnP Device Host. The vulnerability is rated CVSSv3.1: 8.1 (HIGH) with Network attack vector, no privileges required...

EUVD-2026-35556

Use after free in Universal Plug and Play upnp.dll allows an unauthorized attacker to execute code over a network...

Windows UPnP Device Host Remote Code Execution Vulnerability

Use after free in Universal Plug and Play upnp.dll allows an unauthorized attacker to execute code over a network...

PT-2026-47988

Name of the Vulnerable Software and Affected Versions Universal Plug and Play affected versions not specified Description A use after free issue in the Universal Plug and Play component upnp.dll allows an unauthorized remote attacker to execute arbitrary code and affect the system over a network...

PT-2026-47999

Name of the Vulnerable Software and Affected Versions Windows affected versions not specified Description A use after free issue in the Universal Plug and Play component upnp.dll allows an unauthorized attacker to execute code over a network. Use after free is a memory corruption flaw that occurs...

CVE-2026-36611

Mercusys AC12G EU V1 with firmware AC12GEUV1200909 returns 128 bytes of uninitialized buffer when receiving POST requests without SOAPAction header on UPnP port 1900, exposing internal memory to unauthenticated adjacent network attackers...

CVE-2026-36608

Mercusys AC12G EU V1 router with firmware AC12GEUV1200909 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 intern...

CVE-2026-36603

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...

CVE-2026-36608

Mercusys AC12G EU V1 router with firmware AC12GEUV1200909 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 intern...

Mercusys AC12G 安全漏洞

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...

Mercusys AC12G 安全漏洞

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...

Mercusys AC12G 安全漏洞

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...

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...

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...