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.
[POC] CVE-2026-76071 — CVE-2026-76071
Original research and non-destructive PoC for a pre-auth stack buffer overflow via unbounded sscanf scanset in the Netis NC63 ipFilterList handler
[POC] CVE-2026-76070 — CVE-2026-76070
Original research and non-destructive PoC for a pre-auth Base64-decoded password stack buffer overflow in Netis NC63 login.cgi
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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