PT-2026-68233 · Cisco · Ios Xe+1

CVE-2026-20263

·

Published

2026-08-05

·

Updated

2026-09-08

CVSS v3.1

8.6

High

VectorAV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software (affected versions not specified)
Description An issue in the Blocks Extensible Exchange Protocol (BEEP) feature allows an unauthenticated remote attacker to trigger a denial of service (DoS) condition. The flaw stems from improper handling during the parsing of a specific BEEP SOAP request. By sending such a request, an attacker can cause the affected device to reload unexpectedly.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

CVE-2026-20263

Affected Products

Cisco Ios Xe
Ios Xe