A vulnerability classified as critical was found in Tenda i21 1.0.0.14(4656). This vulnerability affects the function formGetDiagnoseInfo. The manipulation of the argument cmdinput leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-263080. 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.263080 | vdb entry third party advisory technical description |
| https://vuldb.com/?ctiid.263080 | permissions required signature vdb entry third party advisory |
| https://vuldb.com/?submit.323600 | vdb entry third party advisory |
| https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formGetDiagnoseInfo.md | exploit broken link |