CVE-2026-2148
Tenda AC21 Web Management DownloadFlash information disclosure
- State
- Published
- Severity
- 6.9 Medium
- Published
- Feb 8, 2026
- Updated
- Feb 23, 2026
- Reserved
- Feb 7, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | 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 | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:R | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:R | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:W/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
AC21Tenda |
|
References
- VDB-344850 | Tenda AC21 Web Management DownloadFlash information disclosurevdb-entrytechnical-description
- VDB-344850 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #747557 | Tenda AC21 V16.03.08.16 Missing Critical Step in Authenticationthird-party-advisory
- https://github.com/master-abc/cve/issues/27exploitissue-tracking
- https://www.tenda.com.cn/product
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