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Cisco Cisco Catalyst 9500-40X

- The Cisco Catalyst 9500-40X is a high-performance, modular switch designed for campus and data center networks.

Cisco Cisco Catalyst 9500-40X

Specifications

OS
Cisco IOS XE
PoE
No
USB
1x USB Type-A, 1x mini-USB console
Layer
Layer 3
Ports
40x 10G SFP+, 2x 40G QSFP+
VLANs
4094
Uplinks
2x 40G QSFP+

Potential Threats

6
Critical
4
High
12
Medium
0
Low

23 Known CVEs

6 critical vulnerabilities found — immediate patching required.
Disable all unused ports. Enable port security and 802.1X authentication. Use separate VLANs for management traffic.

Default IP

192.168.1.1

Default admin panel address for Cisco Cisco Catalyst 9500-40X

Known CVE Vulnerabilities (23)

Sort:
CVE-2025-20110 2026

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority because it is Unused

CVE-2025-20109 2025

Improper Isolation or Compartmentalization in the stream cache mechanism for some Intel(R) Processors may allow an authenticated user to potentially e...

7.8
CVE-2025-20112 2025

A vulnerability in multiple Cisco Unified Communications and Contact Center Solutions products could allow an authenticated, local attacker to elevate...

5.1
CVE-2025-20108 2025

Uncontrolled search path element for some Intel(R) Network Adapter Driver installers for Windows 11 before version 29.4 may allow an authenticated use...

6.7
CVE-2025-20188 2025

A vulnerability in the Out-of-Band Access Point (AP) Image Download, the Clean Air Spectral Recording, and the client debug bundles features of Cisco...

10.0
CVE-2025-20187 2025

A vulnerability in the application data endpoints of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an authenticated, remot...

6.5
CVE-2025-20111 2025

A vulnerability in the health monitoring diagnostics of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode...

7.4
CVE-2025-20125 2025

A vulnerability in an API of Cisco ISE could allow an authenticated, remote attacker with valid read-only credentials to obtain sensitive information,...

9.1
CVE-2024-20418 2024

A vulnerability in the web-based management interface of Cisco Unified Industrial Wireless Software for Cisco Ultra-Reliable Wireless Backhaul (URWB)...

10.0
CVE-2024-20424 2024

A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software, formerly Firepower Management Center...

9.9

Showing 10 of 23

FAQ

What is the default password for Cisco Cisco Catalyst 9500-40X?

The most common default credentials for Cisco Cisco Catalyst 9500-40X are listed in the table above. Always change these immediately after setup.

What is the default username for Cisco Cisco Catalyst 9500-40X?

The default username for Cisco Cisco Catalyst 9500-40X is typically "admin". The full list of default credentials including username, password, access type and port is shown in the table on this page.

How do I change the password on Cisco Cisco Catalyst 9500-40X?

Log in to the admin panel using the default credentials listed above. Navigate to Administration → Password or System → Account settings. Enter the current password and set a new strong password. Save the changes.

How do I reset Cisco Cisco Catalyst 9500-40X to factory defaults?

Locate the Reset button (usually a small pinhole on the back/bottom of the device). Hold it for 10-30 seconds while powered on until the LEDs flash. The device will reboot with default settings.

Is it safe to leave default credentials unchanged?

No. Default credentials are publicly known and frequently exploited by automated scanners. Change the admin password immediately after first login.

Does Cisco Cisco Catalyst 9500-40X have known security vulnerabilities?

Cisco Cisco Catalyst 9500-40X has 23 known CVE vulnerabilities documented in our database. The full list with severity ratings is shown on this page. Apply the latest firmware update from the manufacturer to address known issues.

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