CVE-2026-2148

Tenda AC21 Web Management DownloadFlash information disclosure

CVSS 6.9 MEDIUMEPSS 0.5%CWE-200 CWE-284

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.9EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

08 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Tenda · AC21

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References

https://github.com/master-abc/cve/issues/27 https://vuldb.com/?ctiid.344850 https://vuldb.com/?id.344850 https://vuldb.com/?submit.747557 https://www.tenda.com.cn/