CVE-2019-5280: Huawei Cloudlink Phone 7900 Firmware

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

The SIP TLS module of Huawei CloudLink Phone 7900 with V600R019C10 has a TLS certificate verification vulnerability. Due to insufficient verification of specific parameters of the TLS server certificate, attackers can perform man-in-the-middle attacks, leading to the affected phones registered abnormally, affecting the availability of IP phones.

Affected products

• Huawei Cloudlink Phone 7900 Firmware: version v600r019c10 only

Published 2019-08-13. Last modified 2026-06-17.