Affected devices do not properly validate the length of inputs when performing certain configuration changes in the web interface allowing an authenticated attacker to cause a denial of service condition. The device needs to be restarted for the web interface to become available again.
https://www.cisa.gov/news-events/ics-advisories/icsa-24-074-08
https://cert-portal.siemens.com/productcert/pdf/ssa-699386.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-180704.pdf
https://cert-portal.siemens.com/productcert/html/ssa-699386.html
https://cert-portal.siemens.com/productcert/html/ssa-602936.html
https://cert-portal.siemens.com/productcert/html/ssa-353002.html
https://cert-portal.siemens.com/productcert/html/ssa-180704.html