PT-2026-46001

Mercusys AC12G EU V1 with firmware AC12GEU V1 200909 returns 128 bytes of uninitialized internal buffer contents when receiving HTTP POST requests to undefined paths, exposing server state to unauthenticated adjacent network attackers...

CVE-2026-36606

CVE-2026-36606 affects Mercusys AC12G (EU) V1 router running firmware AC12G(EU)_V1_200909. The vulnerability stems from encrypting configuration backups with a hardcoded DES key using single DES in ECB mode. An attacker who gains a backup file can decrypt it to recover all stored credentials, inc...

CVE-2026-36613

Mercusys AC12G EU V1 with firmware AC12GEUV1200909 returns 128 bytes of uninitialized internal buffer contents when receiving HTTP POST requests to undefined paths, exposing server state to unauthenticated adjacent network attackers...

EUVD-2026-34152

Mercusys AC12G EU V1 with firmware AC12GEUV1200909 returns 128 bytes of uninitialized internal buffer contents when receiving HTTP POST requests to undefined paths, exposing server state to unauthenticated adjacent network attackers...

CVE-2026-36605

CVE-2026-36605 affects the Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909. The issue is a vulnerability to a HTTP denial of service triggered by a small number of crafted incomplete HTTP requests, resulting in a persistent crash that requires physical power cycling to recover. Th...

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-2026-36611

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...

Mercusys AC12G 信任管理问题漏洞

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 use of hardcoded DES keys for encrypting configuration backups, which may allow attackers to decry...

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 has a security vulnerability. This vulnerability stems from exposing an unrecorded agileconfigreset endpoint, which may allow unauthorized attackers from...

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 has a security vulnerability, which stems from the inclusion of hardcoded WiFi driver credentials, potentially leading to credential exposure...

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 has a security vulnerability. This vulnerability stems from the response to the CHAOS TXT query, and it may lead to the disclosure of the DNS resolver software...

CVE-2026-36613

Mercusys AC12G EU V1 with firmware AC12GEUV1200909 returns 128 bytes of uninitialized internal buffer contents when receiving HTTP POST requests to undefined paths, exposing server state 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-2026-36604

Mercusys AC12G EU V1 router with firmware AC12GEUV1200909 does not validate the HTTP Host header, enabling DNS rebinding attacks. An external attacker can rebind a domain to the router's internal IP address, extending the CORS wildcard vulnerability Access-Control-Allow-Origin: to...

CVE-2026-36606

Mercusys AC12G EU V1 router with firmware AC12GEUV1200909 encrypts configuration backups with a hardcoded DES key using single DES in ECB mode. An attacker who obtains a backup file can decrypt it to recover all stored credentials including admin password, WiFi PSK, and DDNS credentials...

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...

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...

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-2026-36611

CVE-2026-36611 affects Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909. When the device processes UPnP POST requests on port 1900 without a SOAPAction header, it returns 128 bytes of uninitialized memory, exposing internal data to unauthenticated adjacent-network attackers. The NVD/NVD-d...