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

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-02-08 · updated 2026-06-17
Weakness: CWE-200

Description

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.

Affected products

Tenda AC21: 16.03.08.16

References

https://github.com/master-abc/cve/issues/30
https://vuldb.com/?ctiid.344849
https://vuldb.com/?id.344849
https://vuldb.com/?submit.747429
https://www.tenda.com.cn/

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