CVE-2026-20281

A vulnerability in Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 that are running Cisco Session Initiation Protocol SIP Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This...

The vulnerability of Microprogramming Software in Cisco SIP IP Phones like Cisco Video Phone 8875 and Cisco Desk Phone 9800 Series arises from insufficient protection for operational data, allowing unauthorized access to protected information by attackers.

The vulnerability of the microprogramming software used in Cisco SIP IP phones and Cisco Video Phone 8875 and Cisco Desk Phone 9800 Series lies in the insufficient protection of operational data. Exploiting this vulnerability can allow attackers to gain unauthorized access to protected informatio...