CVE-2026-86149: OS Command Injection in Tenda CP3
Description
CVE-2026-86149 is a critical OS command injection vulnerability in Tenda CP3 version 27.5.57.101. The flaw arises from improper handling of the argument interface_name/host in the Net/NetCheckPing.cpp file, allowing remote attackers to execute arbitrary OS commands. This vulnerability has a high CVSS 4.0 score of 9.4, indicating severe impact. There is no information about available patches or vendor advisories. No known exploits in the wild have been reported.
CVSS v4.0
Score 9.4critical
Affected software
Tenda
CP3
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Tenda CP3 27.5.57.101 involves OS command injection due to unsafe processing of the interface_name/host argument in the Net/NetCheckPing.cpp source file. An attacker can remotely manipulate this argument to execute arbitrary operating system commands on the affected device. The CVSS 4.0 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, and high impacts on confidentiality, integrity, availability, and security requirements.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary OS commands on the affected Tenda CP3 device, potentially leading to full compromise of the device's confidentiality, integrity, and availability. This could result in unauthorized control or disruption of device functionality.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict network access to the affected device to trusted users only and monitor for suspicious activity related to the vulnerable interface.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-05T07:40:20.137Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a9c92adacd9273b497938f0
Added to database: 09/05/2026, 22:07:41 UTC
Last enriched: 09/15/2026, 00:50:27 UTC
Last updated: 10/19/2026, 06:48:20 UTC
Views: 92
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