---
id: CVE-2026-86149
title: A weakness has been identified in Tenda CP3 27.5.57.101
summary: >-
  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 in…
severity: critical
cvss: 9.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-77
  - CWE-78
vendor: Tenda
product: CP3
affected:
  - CP3 27.5.57.101
published: '2026-09-05'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T19:20:09.203'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-86149'
references:
  - url: 'https://vuldb.com/cve/CVE-2026-86149'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/895350'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/399272'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/399272/cti'
    label: cna@vuldb.com
  - url: 'https://www.tenda.com.cn/'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-08T18:19:00.653087Z'
epss: 0.02043
epssPercentile: 0.80314
ingestedAt: '2026-09-06T13:55:47.838Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.