A vulnerability, which was classified as critical, was found in TOTOLINK CP450 4.1.0cu.747_B20191224. Affected is the function loginauth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument http_host leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-273558 is the identifier assigned to this vulnerability. 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.
| Link | Tags |
|---|---|
| https://vuldb.com/?id.273558 | third party advisory vdb entry technical description |
| https://vuldb.com/?ctiid.273558 | signature third party advisory vdb entry permissions required |
| https://vuldb.com/?submit.381340 | third party advisory vdb entry |
| https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/CP450/loginauth.md | exploit |