Switch
Juniper Networks

Juniper Networks Juniper EX3400-48P

- The Juniper Networks Juniper EX3400-48P is a 48-port Gigabit Ethernet switch designed for campus and data center networks, providing high-density switching and robust security features.

Juniper Networks Juniper EX3400-48P

Specifications

OS
Junos OS
PoE
PoE+
QoS
Yes
USB
Yes
Layer
Layer 3
Ports
48x RJ-45
VLANs
4093

Potential Threats

1
Critical
6
High
14
Medium
0
Low

22 Known CVEs

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

Default IP

192.168.1.254

Default admin panel address for Juniper Networks Juniper EX3400-48P

Default Credentials — Juniper Networks Juniper EX3400-48P

Username Password Access Type Protocol Port Notes
(blank) console Console

Known CVE Vulnerabilities (22)

Sort:
CVE-2025-21589 2026

An Authentication Bypass Using an Alternate Path or Channel vulnerability in Juniper Networks Session Smart Router may allows a network-based attacker...

9.8
CVE-2025-30642 2025

A link following vulnerability in Trend Micro Deep Security 20.0 agents could allow a local attacker to create a denial of service (DoS) situation on...

5.5
CVE-2024-54028 2025

An integer underflow vulnerability exists in the OLE Document DIFAT Parser functionality of catdoc 0.95. A specially crafted malformed file can lead t...

8.4
CVE-2025-21572 2025

OpenGrok 1.13.25 has a reflected Cross-Site Scripting (XSS) issue when producing the history view page. This happens through improper handling of path...

6.1
CVE-2025-21588 2025

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions that are affected are 8.4.0-8.4.4 and 9.0.0-9...

4.9
CVE-2025-21587 2025

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JSSE). Supported...

7.4
CVE-2025-21586 2025

Vulnerability in the JD Edwards EnterpriseOne Tools product of Oracle JD Edwards (component: Web Runtime SEC). Supported versions that are affected a...

5.4
CVE-2025-21585 2025

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.41, 8.4....

4.9
CVE-2025-21584 2025

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DDL). Supported versions that are affected are 8.0.0-8.0.41, 8.4.0-8.4....

4.9
CVE-2025-21574 2025

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Parser). Supported versions that are affected are 8.0.0-8.0.41, 8.4.0-8...

6.5

Showing 10 of 22

FAQ

What is the default password for Juniper Networks Juniper EX3400-48P?

The most common default credentials for Juniper Networks Juniper EX3400-48P are listed in the table above. Always change these immediately after setup.

What is the default username for Juniper Networks Juniper EX3400-48P?

The default username for Juniper Networks Juniper EX3400-48P 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 Juniper Networks Juniper EX3400-48P?

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 Juniper Networks Juniper EX3400-48P 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 Juniper Networks Juniper EX3400-48P have known security vulnerabilities?

Juniper Networks Juniper EX3400-48P has 22 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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