CVE-2026-2148

5.5 mediumEPSS 0.6%

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.

Severity

CVSS 4.0

5.5 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

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
CWEs: CWE-200, CWE-284
Published: 2026-02-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

tenda:ac21_firmware

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/

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