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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.

PUBLISHED Reserved 2026-02-07 | Published 2026-02-08 | Updated 2026-02-23 | Assigner VulDB




MEDIUM: 6.9CVSS: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
MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:R
MEDIUM: 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:R
5.0AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:W/RC:UR

Problem types

Information Disclosure

Improper Access Controls

Product status

16.03.08.16
affected

Timeline

2026-02-07:Advisory disclosed
2026-02-07:VulDB entry created
2026-02-09:VulDB entry last update

Credits

942384053 (VulDB User) reporter

References

vuldb.com/?id.344849 (VDB-344849 | Tenda AC21 Web Management DownloadLog information disclosure) vdb-entry technical-description

vuldb.com/?ctiid.344849 (VDB-344849 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.747429 (Submit #747429 | Tenda AC21 V16.03.08.16 Missing Critical Step in Authentication) third-party-advisory

github.com/master-abc/cve/issues/30 exploit issue-tracking

www.tenda.com.cn/ product

cve.org (CVE-2026-2147)

nvd.nist.gov (CVE-2026-2147)

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