What’s Vulnerable › Vulnerabilities

CVE-2026-7606: TRENDnet TEW-821DAP Firmware Update new_gui_update_firmware data authenticity

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-05-02 · updated 2026-10-26
• Weakness: CWE-345

Description

A weakness has been identified in TRENDnet TEW-821DAP 1.12B01. This issue affects the function find_hwid/new_gui_update_firmware of the component Firmware Update Handler. Executing a manipulation of the argument dest can lead to insufficient verification of data authenticity. The attack can be launched remotely. Attacks of this nature are highly complex. The exploitability is assessed as difficult. 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.

Affected products

• TRENDnet TEW-821DAP: 1.12b01

References

• https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_Auth.md
• https://vuldb.com/submit/806213
• https://vuldb.com/vuln/360563
• https://vuldb.com/vuln/360563/cti

Get alerted when CVE-2026-7606 or the next vulnerability affects your stack