VYPR
Unrated severityNVD Advisory· Published Aug 5, 2026· Updated Aug 5, 2026

Cisco IOS XE Software Web-Based Management Interface Vulnerability

CVE-2026-20308

Description

A vulnerability in the web-based management interface of Cisco IOS XE Software could allow an authenticated, remote attacker with low privileges to perform a denial of service (DoS) attack against an affected device.

This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the web-based management interface of an affected device. A successful exploit could allow the attacker to cause the web-based management interface to become unresponsive.

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Affected products

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Patches

Vulnerability mechanics

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