UDP: Cisco Catalyst SD-WAN Controller Authentication Bypass

This signature detects attempts to exploit a known vulnerability against Cisco Catalyst. A successful attack can lead to security bypass.

Short Name
UDP:CISCO-CTLYST-AUTH-BYPSS
Severity
Minor
Recommended
True
Recommended Action
Drop
Category
UDP
Keywords
Authentication Bypass CVE-2026-20182 Catalyst Cisco Controller SD-WAN
Release Date
06/30/2026
Supported Platforms

mx-19.3

vmx-19.3

vsrx-19.2

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-19.4

vsrx3bsd-19.4

srx-branch-19.4

vsrx-19.4

vmx-19.4

mx-19.4

srxevo-25.4

vsrx-26.2

srx-26.2

srx-branch-26.2

vsrx3bsd-26.2

mx-12.3

srx-12.3

srx-branch-12.3

vsrx-12.3

Sigpack Version
3940
Port
UDP/12346,12446,12546,12646,12746,12846,12946,13046,5003
False Positive
Unknown

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