CVE-2026-7607 PUBLISHED

A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function auto_update_firmware of the component Firmware Udpate. The manipulation of the argument str leads to buffer overflow. The attack may be initiated remotely. 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.

• IOT_Res (VulDB User) reporter
• VulDB CNA Team coordinator

• VDB-360564 | TRENDnet TEW-821DAP Firmware Udpate auto_update_firmware buffer overflow
• VDB-360564 | CTI Indicators (IOB, IOC, IOA)
• Submit #806214 | Trendnet TEW-821DAP v1.12B01 CWE-120 Buffer Copy without Checking Size of Input
• https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_BO.md

• Buffer Overflow CWE
• Memory Corruption CWE