CVE-2026-2148

MEDIUM

Tenda AC21 16.03.08.16 - Information Disclosure via Web Management Interface

Title source: llm
STIX 2.1

Description

A security vulnerability has been detected in Tenda AC21 16.03.08.16. Affected is an unknown function of the file /cgi-bin/DownloadFlash of the component Web Management Interface. The manipulation leads to information disclosure. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.344850
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.344850
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.747557
Exploit, Issue Tracking, Third Party Advisory exploit issue-tracking
https://github.com/master-abc/cve/issues/27
Product product
https://www.tenda.com.cn/

Scores

CVSS v3 5.3
EPSS 0.0054
EPSS Percentile 41.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-284 CWE-200
Status published
Products (1)
tenda/ac21_firmware 16.03.08.16
Published Feb 08, 2026
Tracked Since Feb 18, 2026