A vulnerability, which was classified as critical, was found in TOTOLINK A7000R 9.1.0u.6268_B20220504. Affected is the function setWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-272784. 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.272784 | third party advisory vdb entry technical description |
| https://vuldb.com/?ctiid.272784 | signature third party advisory permissions required |
| https://vuldb.com/?submit.378313 | third party advisory |
| https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A7000R/setWizardCfg.md | exploit |