PT-2026-6974 · Tenda · Tenda Ac21

942384053 · CVE-2026-2147 · Published 2026-01-26 · Updated 2026-02-08

Positive Technologies (AI Summary)

CVSS v4.0

5.5

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions Tenda AC21 version 16.03.08.16

Description A weakness exists in the Tenda AC21 device. This issue affects an unknown function within the Web Management Interface component, specifically related to the file /cgi-bin/DownloadLog. A manipulation of this component can lead to information disclosure. The attack can be performed remotely. The exploit has been made publicly available.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Information Disclosure

Improper Access Control

Weakness Enumeration

CWE-200

CWE-284

Related Identifiers

BDU:2026-02080

CVE-2026-2147

Affected Products

Tenda Ac21

References · 11

• 🔥 https://github.com/master-abc/cve/issues/30 · Exploit
• https://bdu.fstec.ru/vul/2026-02080 · Security Note
• https://osv.dev/vulnerability/CVE-2026-2147 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-2147 · Security Note
• https://twitter.com/CVEnew/status/2020451403169497251 · Twitter Post
• https://vuldb.com/?id.344849 · Note
• https://t.me/cveNotify/151293 · Telegram Post
• https://t.me/CVEtracker/44096 · Telegram Post
• https://vuldb.com/?submit.747429 · Note
• https://tenda.com.cn · Note
• https://vuldb.com/?ctiid.344849 · Note