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A vulnerability has been found in Tenda CP3 27.5.57.101. (CVE-2026-86153)

0
Critical
Published: 09/06/2026 (09/06/2026, 03:30:24 UTC)
Source: GCVE Database

Description

A critical vulnerability (CVE-2026-86153) exists in Tenda CP3 version 27.5.57.101 affecting the function CRedirServer::SetRedirectEnable in the file Functions/Redirect.cpp. The flaw involves improper privilege management, allowing remote exploitation. The vulnerability has a high CVSS score of 9.1, indicating severe impact on confidentiality, integrity, and availability. No patch or remediation information is currently provided.

CVSS v3.1

Score 9.1critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/07/2026, 08:52:22 UTC

Technical Analysis

CVE-2026-86153 is a critical vulnerability in Tenda CP3 27.5.57.101 affecting the function CRedirServer::SetRedirectEnable within Functions/Redirect.cpp. The vulnerability is due to improper privilege management (CWE-266), which can be exploited remotely. The CVSS v3.1 score is 9.1 with vector AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H, indicating network attack vector, low attack complexity, high privileges required, no user interaction, scope changed, and high impact on confidentiality, integrity, and availability. There is no known exploit in the wild and no vendor patch or advisory information available at this time.

Potential Impact

The vulnerability allows an attacker with high privileges to remotely exploit improper privilege management, potentially leading to complete compromise of confidentiality, integrity, and availability of the affected system. The critical CVSS score reflects the severity of impact if exploited.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is currently available.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-3557-5v9r-p922
Osv Schema Version
1.4.0
Aliases
["CVE-2026-86153"]
Database Specific Severity
CRITICAL
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6a9d7633acd9273b49d80591

Added to database: 09/06/2026, 14:18:27 UTC

Last enriched: 09/07/2026, 08:52:22 UTC

Last updated: 10/22/2026, 01:15:26 UTC

Views: 89

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