Cisco Warns of Attackers Exploiting Critical Authentication Bypass in SD-WAN Manager

Attackers are exploiting a critical flaw in Cisco Catalyst SD-WAN Manager, the system companies use to manage their Cisco SD-WAN networks, Cisco said in an advisory on September 30.

The flaw, CVE-2026-76504, could allow a remote attacker with no login access to use the Manager's API as the admin user. Fixed releases are available, and there is no workaround.

CVE-2026-76504 carries a

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https://thehackernews.com/2026/09/cisco-warns-of-attackers-exploiting.html

id: 3354
uid: HJKw9
insdate: 2026-09-30 16:10:13
title: Cisco Warns of Attackers Exploiting Critical Authentication Bypass in SD-WAN Manager
additional: Attackers are exploiting a critical flaw in Cisco Catalyst SD-WAN Manager, the system companies use to manage their Cisco SD-WAN networks, Cisco said in an advisory on September 30.

The flaw, CVE-2026-76504, could allow a remote attacker with no login access to use the Manager's API as the admin user. Fixed releases are available, and there is no workaround.

CVE-2026-76504 carries a
category: Cybersecurity
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guid: https://thehackernews.com/2026/09/cisco-warns-of-attackers-exploiting.html
source_url: https://thehackernews.com/2026/09/cisco-warns-of-attackers-exploiting.html
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