Uniview ISC 2500-S VM.php setNatConfig os command injection

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability, which was classified as critical, has been found in Uniview ISC 2500-S up to 20210930. Affected by this issue is the function setNatConfig of the file /Interface/DevManage/VM.php. The manipulation of the argument natAddress/natPort/natServerPort leads to os command injection. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-251696. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed immediately that the product is end-of-life. It should be retired and replaced.