PT-2026-36601 · Trendnet · Tew-821Dap

Iot_Res · Published 2026-05-02 · Updated 2026-05-02 · CVE-2026-7609

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions TRENDnet TEW-821DAP versions prior to 1.12B01

Description A flaw in the Firmware Update component allows remote attackers to perform OS command injection. The issue exists within the tools diagnostic() function located in the /tmp/diagnostic file.

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

Exploit

Command Injection

OS Command Injection

Weakness Enumeration

CWE-77

CWE-78

Related Identifiers

CVE-2026-7609

Affected Products

Tew-821Dap

References · 9

• 🔥 https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_CI2.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7609 · Security Note
• https://vuldb.com/vuln/360566 · Note
• https://vuldb.com/vuln/360566/cti · Note
• https://twitter.com/CVEnew/status/2050534779464855921 · Twitter Post
• https://vuldb.com/submit/806216 · Note
• https://twitter.com/infoflowcloud/status/2050535945527529548 · Twitter Post
• https://t.me/CVEtracker/52510 · Telegram Post
• https://t.me/cveNotify/161862 · Telegram Post