A vulnerability classified as critical was found in Tenda i22 1.0.0.3(4687). This vulnerability affects the function formApPortalAccessCodeAuth of the file /goform/apPortalAccessCodeAuth. The manipulation of the argument accessCode/data/acceInfo leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.
The product writes data past the end, or before the beginning, of the intended buffer.
| Link | Tags |
|---|---|
| https://vuldb.com/?id.273862 | third party advisory vdb entry technical description |
| https://vuldb.com/?ctiid.273862 | signature vdb entry permissions required |
| https://vuldb.com/?submit.382834 | third party advisory vdb entry |
| https://github.com/BeaCox/IoT_vuln/tree/main/tenda/i22/ApPortalAccessCodeAuth | third party advisory exploit |