EUVD-2026-42646

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

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

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: Stack-based Buffer Overflow

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

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

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...

PT-2026-56878

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

The Tenda CP3 V3.0 (firmware V31.1.9.91 ) is susceptible to a stack-based buffer overflow vulnerability within its RTSP service . The root cause is a failure in the second-stage URL routing parser to validate the length of the URL field during a subsequent SETUP request. An unauthenticated remote...