CVE-2026-20171

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

May 22, 2026

Last Seen

May 22, 2026

API

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Critical Zero-Day Vulnerability CVE-2026-20182 Exploited in Cisco SD-WAN Systems87.2

Cisco has disclosed a critical authentication bypass vulnerability, CVE-2026-20182, affecting its Catalyst SD-WAN Controller and Manager. This flaw allows unauthenticated remote attackers to bypass authentication and gain administrative privileges, enabling manipulation of network configurations. Th...