A vulnerability was found in Viessmann Vitogate 300 up to 2.1.3.0 and classified as problematic. Affected by this issue is some unknown functionality of the file /cgi-bin/. The manipulation leads to direct request. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-243140. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
https://www.cisa.gov/news-events/ics-advisories/icsa-24-254-01
https://vuldb.com/?ctiid.243140
https://github.com/GTA12138/vul/blob/main/Viessmann/Vitogate300_Document_Unauthorized_Access.md