Stack-Based Buffer Overflow in Tenda CP3 V3.0 Products
CVE-2026-51605

7.5HIGH

Key Information:

Vendor

Tenda
Status
Tenda CP3
Vendor
CVE Published:
9 July 2026

What is CVE-2026-51605?

A stack-based buffer overflow vulnerability has been identified in the Real-Time Streaming Protocol (RTSP) service of Tenda CP3 V3.0 (firmware V31.1.9.991). This vulnerability allows an unauthenticated remote attacker to execute a denial of service attack by sending a specially crafted TEARDOWN request. The flaw can lead to system instability and service interruption, potentially impacting users and devices connected through the affected service. Proper mitigation and updates are essential to ensure device security.

References

https://github.com/kkkk2222874/cve_ID_report/blob/main/Te...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.