PT-2026-6975 · Tenda · Tenda Ac21

Jiefengliang · CVE-2026-2148 · Published 2026-02-08 · Updated 2026-02-08

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

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

Description A security issue exists in the Tenda AC21. The issue involves information disclosure through manipulation of an unknown function within the /cgi-bin/DownloadFlash file of the Web Management Interface component. This can be initiated remotely. The exploit for this issue has been publicly disclosed.

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:2026-02079

CVE-2026-2148

Affected Products

Tenda Ac21

References · 11

• 🔥 https://github.com/master-abc/cve/issues/27 · Exploit
• https://osv.dev/vulnerability/CVE-2026-2148 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-02079 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-2148 · Security Note
• https://vuldb.com/?submit.747557 · Note
• https://vuldb.com/?id.344850 · Note
• https://t.me/CVEtracker/44097 · Telegram Post
• https://vuldb.com/?ctiid.344850 · Note
• https://twitter.com/CVEnew/status/2020457780650647642 · Twitter Post
• https://t.me/cveNotify/151294 · Telegram Post
• https://tenda.com.cn · Note