Incorrect Access Control via missing 2FA rate-limiting allowing unlimited brute-force retries and full MFA bypass with no user interaction required. Affected Product: Deutsche Telekom AG Telekom Account Management Portal, versions before 2025-10-24, fixed 2025-11-03.
https://www.telekom.com/en/company/data-privacy-and-security/news/acknowledgements-358300#R
https://gist.github.com/ethicalrohitt/b3e6d071aac8530459e8b3a5720bb832