Hardcoded Cryptographic Key Vulnerability in Tenda NVR_4H CH3
CVE-2026-79551

7.5HIGH

Key Information:

Vendor

Tenda Technology Co., Ltd

Status
NVR_4H CH3
Vendor
CVE Published:
15 September 2026

What is CVE-2026-79551?

Tenda Technology Co., Ltd's NVR_4H CH3 version 2.1 V27.5.58.6 contains a hardcoded cryptographic key, creating a significant security risk. This vulnerability allows unauthorized access, compromising the device's integrity and confidentiality. It is crucial for users to be aware of this issue to implement protective measures and reduce the potential for exploitation.

References

http://tenda.com
https://www.tendacn.com/material/show/805569838370885
https://github.com/snyi001/CVE-2026-79551-Tenda

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.