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CVE-2026-5567: Buffer Overflow in Tenda M3

0
High
VulnerabilityCVE-2026-5567cvecve-2026-5567
Published: Sun Apr 05 2026 (04/05/2026, 12:45:14 UTC)
Source: CVE Database V5
Vendor/Project: Tenda
Product: M3

Description

A flaw has been found in Tenda M3 1.0.0.10. This vulnerability affects the function setAdvPolicyData of the file /goform/setAdvPolicyData of the component Destination Handler. Executing a manipulation of the argument policyType can lead to buffer overflow. The attack can be executed remotely. The exploit has been published and may be used.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 04/05/2026, 13:30:25 UTC

Technical Analysis

This vulnerability in Tenda M3 1.0.0.10 involves a buffer overflow in the setAdvPolicyData function of the Destination Handler component. An attacker can remotely trigger this by sending crafted input to the policyType argument, potentially leading to memory corruption. The CVSS 4.0 base score is 8.7, reflecting high impact and ease of exploitation without privileges or user interaction. No official fix or vendor advisory is currently documented.

Potential Impact

Successful exploitation can cause a buffer overflow, which may lead to arbitrary code execution or denial of service on the affected device. Given the remote attack vector and lack of required privileges, this vulnerability poses a significant risk to affected Tenda M3 devices running version 1.0.0.10. No confirmed exploitation in the wild has been reported yet.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider restricting network access to the vulnerable device's management interface to trusted sources only and monitor for unusual activity. No vendor-provided mitigation or temporary fix is currently available.

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Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-04-04T14:26:11.706Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 69d2607d0a160ebd92d80874

Added to database: 4/5/2026, 1:15:41 PM

Last enriched: 4/5/2026, 1:30:25 PM

Last updated: 4/9/2026, 3:30:14 AM

Views: 22

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