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.
[
{
"product": "CloudLink Phone 7900",
"vendor": "Huawei",
"versions": [
{
"status": "affected",
"version": "V600R019C10"
}
]
}
]