CVE-2025-20350 — уязвимость CVSS 7.5

A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 running Cisco SIP Software could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to a buffer overflow when an affected device processes HTTP packets. An attacker could exploit this vulnerability by sending crafted HTTP input to the device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. Note: To exploit this vulnerability, the phone must be registered to Cisco Unified Communications Manager and have Web Access enabled. Web Access is disabled by default.

Cisco Desk phone 9871 firmwareCisco Desk phone 9871Cisco Desk phone 9841 firmwareCisco Desk phone 9841Cisco Desk phone 9851 firmwareCisco Desk phone 9851Cisco Desk phone 9861 firmwareCisco Desk phone 9861Cisco Ip phone 8865 firmwareCisco Ip phone 8865Cisco Ip phone 7811 firmwareCisco Ip phone 7811Cisco Ip phone 7821 firmwareCisco Ip phone 7821Cisco Ip phone 7841 firmwareCisco Ip phone 7841Cisco Ip phone 7861 firmwareCisco Ip phone 7861Cisco Ip phone 8811 firmwareCisco Ip phone 8811Cisco Ip phone 8832 firmwareCisco Ip phone 8832Cisco Ip phone 8841 firmwareCisco Ip phone 8841Cisco Ip phone 8845 firmware

Балл	7.5 — высокая
Вектор	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H