PT-2026-36601 · Trendnet · Tew-821Dap

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

Positive Technologies (AI Summary)

CVSS v2.0

6.5

Medium

Base vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

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 OS command injection. The issue exists within the tools diagnostic() function located in the /tmp/diagnostic file. This allows a remote attacker to execute arbitrary operating system commands on the device.

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

Exploit

OS Command Injection

Command Injection

Weakness Enumeration

CWE-78

CWE-77

Related Identifiers

CVE-2026-7609

Affected Products

Tew-821Dap

References · 7

• 🔥 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://twitter.com/infoflowcloud/status/2050535945527529548 · Twitter Post
• https://vuldb.com/vuln/360566 · Note
• https://vuldb.com/submit/806216 · Note
• https://vuldb.com/vuln/360566/cti · Note
• https://twitter.com/CVEnew/status/2050534779464855921 · Twitter Post