Beijing Baichuo · Beijing Baichuo Smart S85F Management Platform · CVE-2023-4739
**Name of the Vulnerable Software and Affected Versions**
Beijing Baichuo Smart S85F Management Platform up to 20230820
**Description**
A critical issue has been found in the Smart S85F Management Platform, affecting some unknown functionality of the file /sysmanage/updateos.php. The manipulation of the argument `1 file upload` leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
**Recommendations**
For Beijing Baichuo Smart S85F Management Platform up to 20230820, as a temporary workaround, consider disabling the `1 file upload` argument in the /sysmanage/updateos.php file until a patch is available. Restrict access to the /sysmanage/updateos.php file to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.