What is CVE-2026-86149?

CVE-2026-86149 is a critical-severity vulnerability in Tenda Cp3, classified under Command Injection. CVSS score: 9.1/10. Published 2026-09-05.

How severe is CVE-2026-86149?

Critical severity. CVSS v3 base score is 9.1 out of 10.

RCE in Tenda Cp3

CVE-2026-86149

A weakness has been identified in Tenda CP3 27.5.57.101. This issue affects some unknown processing of the file Net/NetCheckPing.cpp. This manipulation of the argument interface_name/host causes os command injection. The attack can 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 (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-86149?: CVE-2026-86149 is a critical-severity vulnerability in Tenda Cp3, classified under Command Injection. CVSS score: 9.1/10. Published 2026-09-05.
How severe is CVE-2026-86149?: Critical severity. CVSS v3 base score is 9.1 out of 10.