CVE-2026-51602

A stack-based buffer overflow vulnerability in the RTSP service of Tenda CP3 V3.0 firmware V31.1.9.91 allows an unauthenticated remote attacker to cause a denial of service via a crafted SETUP request. The RTSP service's second-stage URL routing parser fails to validate the length of the URL fiel...

CVE-2026-51606

CVE-2026-51606 affects Tenda CP3 v3.0 with firmware v31.1.9.91. The RTSP service suffers improper input handling: when an oversized field value is sent, the device terminates the TCP connection with an RST and does not return any RFC 2326‑compliant error response. Affected items include the reque...

CVE-2026-51606

An improper input handling vulnerability in the RTSP service of Tenda CP3 V3.0 firmware V31.1.9.91 causes the device to abruptly terminate the TCP connection with a RST packet when a request containing an oversized field value is received, without returning any RFC 2326-compliant error response...

CVE-2026-51605

CVE-2026-51605 affects Tenda CP3 V3.0 firmware V31.1.9.991, specifically the RTSP service. A stack-based buffer overflow allows an unauthenticated remote attacker to cause a denial of service via a crafted TEARDOWN request. The available sources consistently describe the vulnerability type and im...

CVE-2026-51604

A stack-based buffer overflow vulnerability in the RTSP service of Tenda CP3 V3.0 firmware V31.1.9.91 allows an unauthenticated remote attacker to cause a denial of service via a crafted PLAY request...

CVE-2026-51605

A stack-based buffer overflow vulnerability in the RTSP service of Tenda CP3 V3.0 firmware V31.1.9.991 allows an unauthenticated remote attacker to cause a denial of service via a crafted TEARDOWN request...

CVE-2026-51605

A stack-based buffer overflow vulnerability in the RTSP service of Tenda CP3 V3.0 firmware V31.1.9.991 allows an unauthenticated remote attacker to cause a denial of service via a crafted TEARDOWN request...

CVE-2026-51600

Tenda CP3 V3.0 firmware V31.1.9.91 does not validate the Content-Length header field in RTSP requests including DESCRIBE, SETUP, and PLAY methods. When a request carrying a Content-Length header is received without a corresponding message body, the RTSP parser enters a persistent body-awaiting...

CVE-2026-51601

Tenda CP3 V3.0 firmware V31.1.9.91 contains a stack-based buffer overflow in the RTSP service. The device fails to validate the length of the clock= value in the Range header field when processing a PLAY request. An unauthenticated remote attacker who has completed a standard RTSP session handsha...

CVE-2026-51600

Tenda CP3 V3.0 firmware V31.1.9.91 does not validate the Content-Length header field in RTSP requests including DESCRIBE, SETUP, and PLAY methods. When a request carrying a Content-Length header is received without a corresponding message body, the RTSP parser enters a persistent body-awaiting...

CVE-2026-51602

A stack-based buffer overflow vulnerability in the RTSP service of Tenda CP3 V3.0 firmware V31.1.9.91 allows an unauthenticated remote attacker to cause a denial of service via a crafted SETUP request. The RTSP service's second-stage URL routing parser fails to validate the length of the URL fiel...

CVE-2026-51602

CVE-2026-51602 describes a stack-based buffer overflow in the RTSP service of Tenda CP3 V3.0 (firmware V31.1.9.91). An unauthenticated remote attacker can cause a denial of service by sending a crafted SETUP request. The root cause is the second-stage URL routing parser failing to validate the le...

CVE-2026-51606

An improper input handling vulnerability in the RTSP service of Tenda CP3 V3.0 firmware V31.1.9.91 causes the device to abruptly terminate the TCP connection with a RST packet when a request containing an oversized field value is received, without returning any RFC 2326-compliant error response...

CVE-2026-51600

Summary: CVE-2026-51600 affects Tenda CP3 V3.0 firmware (V31.1.9.91). The RTSP service does not validate Content-Length when no body is present, causing the RTSP parser to enter a persistent body-awaiting state and the TCP connection to remain open, leading to a TCP resource leak. This is describ...

CVE-2026-51601

The CVE describes a stack-based buffer overflow in the RTSP service of Tenda CP3 V3.0 firmware (version V31.1.9.91). The flaw arises from insufficient validation of the clock= value in the Range header during a PLAY request, enabling an unauthenticated remote attacker who has completed a standard...

CVE-2026-51603

A stack-based buffer overflow vulnerability in the RTSP service of Tenda CP3 V3.0 firmware V31.1.9.91 allows an unauthenticated remote attacker to cause a denial of service via a crafted second SETUP request. After completing the OPTIONS, DESCRIBE, and a legitimate first SETUP request to obtain a...

CVE-2026-51604

CVE-2026-51604 describes a stack-based buffer overflow in the RTSP service of the Tenda CP3 V3.0 firmware (V31.1.9.91). The vulnerability is triggered by processing a crafted PLAY request and can be exploited by an unauthenticated remote attacker to cause a denial of service. Affected component: ...

CVE-2026-51603

A stack-based buffer overflow vulnerability in the RTSP service of Tenda CP3 V3.0 firmware V31.1.9.91 allows an unauthenticated remote attacker to cause a denial of service via a crafted second SETUP request. After completing the OPTIONS, DESCRIBE, and a legitimate first SETUP request to obtain a...

CVE-2026-51603

CVE-2026-51603 affects Tenda CP3 V3.0 with firmware V31.1.9.91, where the RTSP service is vulnerable to a stack-based buffer overflow via a crafted second SETUP request after a legitimate first SETUP. The issue arises in the second-stage URL routing parser when validating the URL length, allowing...

CVE-2026-11405

CVE-2026-11405 affects multiple Tenda firmware versions where the web server binary /bin/httpd implements a hidden backdoor authentication in login(): after normal MD5-based verification, if authentication fails it reads a config value via GetValue("sys.rzadmin.password") and compares it to the u...