CVE-2026-86153: Improper Privilege Management in Tenda CP3
Description
CVE-2026-86153 is a critical vulnerability in Tenda CP3 version 27.5.57.101 affecting the function CRedirServer::SetRedirectEnable. It involves improper privilege management that can be exploited remotely without user interaction. The vulnerability has a high CVSS 4.0 score of 9.4, indicating severe impact potential. No patch or vendor advisory details are provided, so remediation status is unknown.
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 affects the function CRedirServer::SetRedirectEnable in the file Functions/Redirect.cpp. It allows improper privilege management, which can be exploited remotely. The CVSS 4.0 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, and high impact on confidentiality, integrity, availability, and security requirements. No known exploits are reported in the wild.
Potential Impact
Successful exploitation could allow an attacker to gain unauthorized privileges remotely, potentially compromising confidentiality, integrity, and availability of the affected device. The high CVSS score reflects the critical nature of this vulnerability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict network access to the affected device and monitor for suspicious activity related to privilege escalation attempts.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-05T07:40:34.443Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a9d4800acd9273b49a2fbfe
Added to database: 09/06/2026, 11:01:20 UTC
Last enriched: 09/15/2026, 00:56:20 UTC
Last updated: 10/22/2026, 01:15:26 UTC
Views: 109
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