vulnerability

Cisco IOS: CVE-2025-20327: Cisco IOS Software Industrial Ethernet Switch Device Manager Denial of Service Vulnerability

Severity
7
CVSS
(AV:N/AC:L/Au:S/C:N/I:N/A:C)
Published
Sep 24, 2025
Added
Sep 25, 2025
Modified
Jan 27, 2026

Description

A vulnerability in the web UI of Cisco IOS Software could allow an authenticated, remote attacker with low privileges to cause a denial of service (DoS) condition on an affected device.

This vulnerability is due to improper input validation. An attacker could exploit this vulnerability by sending a crafted URL in an HTTP request. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.

Solution

cisco-ios-upgrade-latest
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.