EUVD-2026-34148

Mercusys AC12G EU V1 router with firmware AC12GEUV1200909 uses a static authentication nonce that does not change between requests from the same source IP. Combined with the predictable XOR-based password encoding securityEncode function, this allows an attacker to reverse captured authentication...

CVE-2026-36605

Mercusys AC12G EU V1 router with firmware AC12GEUV1200909 is vulnerable to a HTTP denial of service via a low number of crafted incomplete HTTP requests, causing a persistent crash that requires physical power cycling to recover...

PT-2026-46095

When using React Router v7 Framework Mode with Pre-rendering enabled, an improper neutralization of the HTTP Location header value can permit Cross-Site Scripting XSS in statically generated HTML files if the redirect location comes from an untrusted source. !NOTE This does not impact your React...

EUVD-2026-34153

Mercusys AC12G EU V1 with firmware AC12GEUV1200909 exposes an undocumented /agileconfigreset endpoint that returns internal buffer contents to unauthenticated attackers on the adjacent network...

CVE-2026-36609

Mercusys AC12G EU V1 router with firmware AC12GEUV1200909 uses a static authentication nonce that does not change between requests from the same source IP. Combined with the predictable XOR-based password encoding securityEncode function, this allows an attacker to reverse captured authentication...

PT-2026-46087

When using React Router v7's unstable RSC APIs, there exists a potential client-side XSS issue in the RSC redirect handling if redirects are coming from untrusted sources !NOTE This only impacts your application if you are using the unstable RSC APIs in React Router...

PT-2026-45897

A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0. Affected is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData Handler. The manipulation leads to use after free. Remote exploitation of the attack is possible...

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...

CVE-2026-36610

Mercusys AC12G EU V1 with firmware AC12GEUV1200909 transmits DDNS credentials over plaintext HTTP with only Base64 encoding. The firmware contains no TLS implementation, allowing man-in-the-middle interception of DDNS service credentials...

Mercusys AC12G 授权问题漏洞

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 the lack of rate limiting on the TDDP password change endpoint, which may allow neighboring network...

PT-2026-45998

Mercusys AC12G EU V1 with firmware AC12GEU V1 200909 transmits DDNS credentials over plaintext HTTP with only Base64 encoding. The firmware contains no TLS implementation, allowing man-in-the-middle interception of DDNS service credentials...

CVE-2026-36602

Mercusys AC12G EU V1 router with firmware AC12GEUV1200909 discloses kernel memory layout via the UPnP GetStatusInfo action. An unauthenticated attacker on the adjacent network can obtain a raw MIPS KSEG0 kernel pointer, revealing kernel memory layout and aiding further exploitation...

CVE-2026-36607

Mercusys AC12G EU V1 router with firmware AC12GEUV1200909 allows unauthenticated brute-force attacks via the TDDP password change endpoint code=10, which lacks the rate limiting applied to the login endpoint code=7. An attacker on the adjacent network can attempt unlimited passwords without...

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 ...

CVE-2026-36604

Mercusys AC12G (EU) V1 router vulnerable to DNS rebinding due to HTTP Host header validation failure in firmware AC12G(EU)_V1_200909. An external attacker could rebound a domain to the router’s internal IP, taking advantage of an existing CORS wildcard weakness (Access-Control-Allow-Origin: *). C...

PT-2026-45991

Name of the Vulnerable Software and Affected Versions Mercusys AC12G EU V1 version AC12GEU V1 200909 Description The device exposes 15 of 18 UPnP IGD actions without authentication on port 1900, including AddPortMapping and GetExternalIPAddress. Universal Plug and Play UPnP, a protocol that allow...

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...

Mercusys AC12G 配置错误漏洞

The Mercusys AC12G is a Gigabit wireless router produced by the Chinese company Mercusys. The Mercusys AC12G EU V1 AC12G EU V1 version has security vulnerabilities. These vulnerabilities stem from the default enablement of WPS 2.0 and a weak lock policy, which may lead to brute-force attacks...

PT-2026-45995

Mercusys AC12G EU V1 router with firmware AC12GEU V1 200909 allows unauthenticated brute-force attacks via the TDDP password change endpoint code=10, which lacks the rate limiting applied to the login endpoint code=7. An attacker on the adjacent network can attempt unlimited passwords without...

PT-2026-46085

When using React Router v7 in Framework Mode, there exists a combination of steps that could potentially allow unauthorized RCE through external requests. This first requires the application code to have an existing prototype pollution vulnerability. This can be leveraged into a 2-step attack in...