MERCUSYS Mercury X18G 1.0.5 Router - Local File Inclusion

MERCUSYS Mercury X18G 1.0.5 devices are vulnerable to local file inclusion via ../ in conjunction with a loginLess or login.htm URI for authentication bypass to the web server, as demonstrated by the /loginLess/../../etc/passwd URI. id: CVE-2021-23241 info: name: MERCUSYS Mercury X18G 1.0.5 Route...

CVE-2026-12495

Denial-of-service DoS vulnerability due to a stack buffer overflow in the httpgdprdecrypt function of the Mercusys MB115-4G device's web interface. An unauthenticated attacker could exploit this vulnerability by sending a specially crafted request to the /cgi/login endpoint, causing memory...

CVE-2026-12495 Stack-Based Buffer Overflow in the Mercusys MB115-4G

Denial-of-service DoS vulnerability due to a stack buffer overflow in the httpgdprdecrypt function of the Mercusys MB115-4G device's web interface. An unauthenticated attacker could exploit this vulnerability by sending a specially crafted request to the /cgi/login endpoint, causing memory...

CVE-2026-12495 Stack-Based Buffer Overflow in the Mercusys MB115-4G

Denial-of-service DoS vulnerability due to a stack buffer overflow in the httpgdprdecrypt function of the Mercusys MB115-4G device's web interface. An unauthenticated attacker could exploit this vulnerability by sending a specially crafted request to the /cgi/login endpoint, causing memory...

EUVD-2026-49144

Denial-of-service DoS vulnerability due to a stack buffer overflow in the httpgdprdecrypt function of the Mercusys MB115-4G device's web interface. An unauthenticated attacker could exploit this vulnerability by sending a specially crafted request to the /cgi/login endpoint, causing memory...

CVE-2026-12495

CVE-2026-12495: A stack-based buffer overflow in the Mercusys MB115-4G web interface (http_gdpr_decrypt) can be triggered by a crafted request to /cgi/login, leading to memory corruption and a crash of the httpd process, resulting in DoS of the web administration service. Affected component: Merc...

PT-2026-64875

Name of the Vulnerable Software and Affected Versions Mercusys MB115-4G affected versions not specified Description A denial-of-service DoS issue exists in the web interface due to a stack buffer overflow—a condition where a program writes more data to a buffer located on the stack than it can...

CVE-2026-31267

Mercusys MW302R MW302REUV11.4.10 Build 231023 is vulnerable to Buffer Overflow in the administrative web interface. A stack buffer overflow vulnerability in the administrative web interface allows an authenticated attacker with administrative privileges to trigger a system crash by sending a...

CVE-2026-31267

Mercusys MW302R MW302REUV11.4.10 Build 231023 is vulnerable to Buffer Overflow in the administrative web interface. A stack buffer overflow vulnerability in the administrative web interface allows an authenticated attacker with administrative privileges to trigger a system crash by sending a...

CVE-2026-31267

Mercusys MW302R MW302REUV11.4.10 Build 231023 is vulnerable to Buffer Overflow in the administrative web interface. A stack buffer overflow vulnerability in the administrative web interface allows an authenticated attacker with administrative privileges to trigger a system crash by sending a...

PT-2026-56925

Name of the Vulnerable Software and Affected Versions Mercusys MW302R version MW302REU V1 1.4.10 Build 231023 Description A stack buffer overflow exists in the administrative web interface. This issue allows an authenticated attacker with administrative privileges to cause a system crash and a...

CVE-2026-31267

Mercusys MW302R MW302R(EU)_V1_1.4.10 Build 231023 is affected by a stack-based buffer overflow in the administrative web interface. The flaw permits an authenticated, admin-privileged attacker to crash the system by sending a specially crafted request, yielding denial of service through control-f...

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-2026-36611

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-2026-36604

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-2026-36608

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-2026-36613

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-2026-36609

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-2026-36605

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...

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...