CVE-2026-2147 MEDIUM

CVE-2026-2147: Tenda AC21 Web Management DownloadLog information disclosure

Vendor Tenda
Product AC21
Weakness CWE-200 · Info exposure
Published February 8, 2026
Last update February 23, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

A weakness has been identified in Tenda AC21 16.03.08.16. This impacts an unknown function of the file /cgi-bin/DownloadLog of the component Web Management Interface. Executing a manipulation can lead to information disclosure. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.

Key dates

02Disclosure timeline

February 8, 2026 CVE published
February 23, 2026 Record updated