The Yealink YMCS RPS API before 2025-05-26 lacks rate limiting, potentially enabling information disclosure via excessive requests.
https://www.yealink.com/en/trust-center/security-advisories/f8205560a8c7443f
https://support.yealink.com/en/portal/knowledge/show?id=6476e7cd6a27da76bd06a9c9