A vulnerability classified as critical has been found in Tenda i22 1.0.0.3(4687). This affects the function formSetUrlFilterRule. The manipulation of the argument groupIndex leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The associated identifier of this vulnerability is VDB-262143. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
The product writes data past the end, or before the beginning, of the intended buffer.
| Link | Tags |
|---|---|
| https://vuldb.com/?id.262143 | third party advisory vdb entry technical description |
| https://vuldb.com/?ctiid.262143 | signature third party advisory vdb entry permissions required |
| https://vuldb.com/?submit.319840 | third party advisory vdb entry |
| https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i22/formSetUrlFilterRule.md | broken link related |