CVE-2026-20263

HIGHCVSS 8.61% EPSS

A vulnerability in the Blocks Extensible Exchange Protocol (BEEP) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling when parsing a specific BEEP SOAP request. An attacker could exploit this vulnerability by sending a specific BEEP SOAP request to an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly, resulting in a DoS condition.

Published 2026-08-05 · last modified 2026-09-28

Affected products

VendorProduct
ciscoios_xe

Full record at NVD ↗

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.