Medium WID-SEC-2026-3154 1 CVE

Cisco IP Phone: Schwachstelle ermöglicht Denial of Service

Published Sep 2, 2026 · Updated Sep 2, 2026 · de-DE

Vendor: Cisco Product: IP Phone

Summary

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Cisco IP Phone ausnutzen, um einen Denial of Service Angriff durchzuführen.

Product

Cisco IP Phone ist ein Endgerät für IP-basierte Telefonie.

Vulnerabilities 1

High 7.5

CVE-2026-20281

Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Software Denial of Service Vulnerability

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 (Do…

Cisco Cisco Session Initiation Protocol (SIP) Software Network devices

Sep 2, 2026

Revision history

2026-09-02 #1
Initiale Fassung

References

Cisco Security Advisory cisco-sa-phone-dos-txMYNRzv vom 2026-09-02
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-dos-txMYNRzv