CVE-2026-7609

A flaw has been found in TRENDnet TEW-821DAP up to 1.12B01. The impacted element is the function tools_diagnostic of the file /tmp/diagnostic of the component Firmware Udpate. This manipulation causes os command injection. Remote exploitation of the attack is possible. The exploit has been published and may be used. The vendor explains: "That firmware version will only work on our hardware version v1.xR. We have already EOL that product 8 years ago and are no longer selling". This vulnerability only affects products that are no longer supported by the maintainer.

• CWE-77
• CWE-78

• https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_CI2.mdExploit, Third Party Advisory
• https://vuldb.com/submit/806216Third Party Advisory, VDB Entry
• https://vuldb.com/vuln/360566Third Party Advisory, VDB Entry
• https://vuldb.com/vuln/360566/ctiPermissions Required, VDB Entry

Published

May 2, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2026-76074The AutomatorWP – Automator plugin for no-code automations, …4.3
• CVE-2026-7608A vulnerability was detected in TRENDnet TEW-821DAP up to 1.…8
• CVE-2026-76081ZITADEL is an open source identity management platform. Prio…5.5
• CVE-2026-76086Formie is a Craft CMS plugin for creating forms. Prior to 2.…8.5
• CVE-2026-76087Formie is a Craft CMS plugin for creating forms. Prior to 2.…8.2
• CVE-2026-76089Formie is a Craft CMS plugin for creating forms. Prior to 2.…7.7
• CVE-2026-76098Mistune is a Python Markdown parser with renderers and plugi…7.5
• CVE-2026-7610A vulnerability has been found in TRENDnet TEW-821DAP 1.12B0…8.1
• CVE-2026-76104Dell ObjectScale, versions prior to 4.4.0.0, contains an Inc…5.5
• CVE-2026-7611A vulnerability was found in TRENDnet TEW-821DAP up to 1.12B…8.1
• CVE-2026-76111Dell PowerStore contains an Incorrect Authorization vulnerab…8.8
• CVE-2026-7612A vulnerability was determined in itsourcecode Courier Manag…4.7