CVE-2026-5567 HIGH

CVE-2026-5567: Tenda M3 Destination setAdvPolicyData buffer overflow

Vendor Tenda
Product M3
Weakness CWE-120
Published April 5, 2026
Last update April 6, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 5, 2026 CVE published
April 6, 2026 Record updated