In Yealink YMCS RPS before 2025-05-26, the certificate upload function does not properly validate certificate content, potentially allowing invalid certificates to be uploaded.Referenceshttps://support.yealink.com/en/portal/knowledge/show?id=6476e7cd6a27da76bd06a9c9https://www.yealink.com/en/trust-center/security-advisories/ecb16a4993014d22https://seclists.org/fulldisclosure/2025/Jun/20https://dnip.ch/2025/06/25/yealink-voip-phones-insecurity-by-design/
