RCE in Tenda Cp3
CVE-2026-86151
A vulnerability was detected in Tenda CP3 27.5.57.101. The affected element is the function sub_2F77E8 of the file Apis/system.c of the component Network Configuration Management. Performing a manipulation results in os command injection. The attack may be initiated remotely.
Vulnerability class: Command Injection (OS Command Injection)
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Tenda Cp3 — versions 27.5.57.101
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-86151?
- CVE-2026-86151 is a critical-severity vulnerability in Tenda Cp3, classified under Command Injection. CVSS score: 9.1/10. Published 2026-09-06.
- How severe is CVE-2026-86151?
- Critical severity. CVSS v3 base score is 9.1 out of 10.