Firewall
Juniper Networks

Juniper Networks Juniper SRX300

- The Juniper SRX300 is a compact, high-performance firewall designed for small to medium-sized businesses and branch offices.

Juniper Networks Juniper SRX300

Specifications

OS
Junos OS
CPU
Dual-core 1.2 GHz
IDS/IPS
Yes
LAN
Gigabit Ethernet
RAM
2 GB
USB
1x USB 3.0
UTM
Yes

Potential Threats

2
Critical
3
High
19
Medium
0
Low

24 Known CVEs

2 critical vulnerabilities found — immediate patching required.
Audit firewall rules and remove unused allow entries. Enable detailed logging. Restrict management access to trusted IPs only.

Default IP

192.168.1.1

Default admin panel address for Juniper Networks Juniper SRX300

Default Credentials — Juniper Networks Juniper SRX300

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

Known CVE Vulnerabilities (24)

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-2025-21588 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-2025-21583 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-2025-21581 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-2025-21580 2025

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

4.9

Showing 10 of 24

FAQ

What is the default password for Juniper Networks Juniper SRX300?

The most common default credentials for Juniper Networks Juniper SRX300 are listed in the table above. Always change these immediately after setup.

What is the default username for Juniper Networks Juniper SRX300?

The default username for Juniper Networks Juniper SRX300 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 SRX300?

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 SRX300 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 SRX300 have known security vulnerabilities?

Juniper Networks Juniper SRX300 has 24 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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