CVE-2026-86148: OS Command Injection in Tenda CP3
Description
CVE-2026-86148 is a critical OS command injection vulnerability in Tenda CP3 version 27.5.57.101. The flaw exists in the SystemAsh function of the Apis/system.c file within the Kylin component. An attacker can remotely exploit this by manipulating the AlarmVoiceURL argument to execute arbitrary OS commands.
CVSS v4.0
Score 9.4critical
Affected software
Tenda
CP3
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects Tenda CP3 version 27.5.57.101 specifically in the SystemAsh function located in Apis/system.c of the Kylin component. The issue arises from improper handling of the AlarmVoiceURL argument, which allows an attacker to perform OS command injection remotely. The CVSS 4.0 base score is 9.4, indicating a critical severity with network attack vector, low attack complexity, no user interaction required, and high impact on confidentiality, integrity, availability, and security requirements.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary operating system commands on the affected device, potentially leading to full compromise of the device's confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, restrict network access to the affected device and monitor for suspicious activity related to AlarmVoiceURL manipulation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-05T07:40:03.572Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a9c8f35acd9273b497428bc
Added to database: 09/05/2026, 21:52:53 UTC
Last enriched: 09/15/2026, 00:56:11 UTC
Last updated: 10/20/2026, 18:48:24 UTC
Views: 95
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