Switch
Juniper Networks

Juniper Networks Juniper EX3400-24T

- The Juniper Networks Juniper EX3400-24T is a 24-port Gigabit Ethernet switch designed for small to medium-sized businesses and branch offices.

Juniper Networks Juniper EX3400-24T

Specifications

OS
Junos OS
QoS
Yes
USB
Yes
Layer
Layer 3
Ports
24x RJ-45
VLANs
4096
Uplinks
4x 1/10GbE SFP+

Potential Threats

5
Critical
9
High
8
Medium
0
Low

22 Known CVEs

5 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 Juniper Networks Juniper EX3400-24T

Default Credentials — Juniper Networks Juniper EX3400-24T

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-2025-21587 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-2025-21583 2025

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DDL). Supported versions that are affected are 8.4.0 and 9.0.0. Easily...

4.9
CVE-2025-21582 2025

Vulnerability in the Oracle CRM Technical Foundation product of Oracle E-Business Suite (component: Preferences). Supported versions that are affecte...

6.1
CVE-2025-21579 2025

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

4.9
CVE-2024-54092 2025

A vulnerability has been identified in Industrial Edge Device Kit - arm64 V1.17 (All versions), Industrial Edge Device Kit - arm64 V1.18 (All versions...

9.8
CVE-2025-21590 2025

An Improper Isolation or Compartmentalization vulnerability in the kernel of Juniper Networks Junos OS allows a local attacker with high privileges to...

4.4
CVE-2024-54085 2025

AMI’s SPx contains a vulnerability in the BMC where an Attacker may bypass authentication remotely through the Redfish Host Interface. A successful ex...

9.8
CVE-2024-54084 2025

APTIOV contains a vulnerability in BIOS where an attacker may cause a Time-of-check Time-of-use (TOCTOU) Race Condition by local means. Successful exp...

7.5
CVE-2024-54090 2025

A vulnerability has been identified in APOGEE PXC Series (BACnet) (All versions), APOGEE PXC Series (P2 Ethernet) (All versions), TALON TC Series (BAC...

5.9

Showing 10 of 22

FAQ

What is the default password for Juniper Networks Juniper EX3400-24T?

The most common default credentials for Juniper Networks Juniper EX3400-24T are listed in the table above. Always change these immediately after setup.

What is the default username for Juniper Networks Juniper EX3400-24T?

The default username for Juniper Networks Juniper EX3400-24T 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 EX3400-24T?

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 EX3400-24T 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 EX3400-24T have known security vulnerabilities?

Juniper Networks Juniper EX3400-24T 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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