Switch
Juniper Networks

Juniper Networks Juniper QFX5100-48S

- The Juniper QFX5100-48S is a high-performance, compact Layer 2/3 switch designed for data center and campus networks.

Juniper Networks Juniper QFX5100-48S

Specifications

OS
Junos OS
QoS
Yes
USB
Yes
Layer
L2/L3
Ports
48x SFP+
VLANs
4096
Uplinks
4x QSFP+

Potential Threats

1
Critical
10
High
9
Medium
0
Low

20 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

192.168.1.1

Default admin panel address for Juniper Networks Juniper QFX5100-48S

Default Credentials — Juniper Networks Juniper QFX5100-48S

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

Known CVE Vulnerabilities (20)

Sort:
CVE-2025-30639 2025

Missing Authorization vulnerability in ThemeAtelier IDonatePro allows Exploiting Incorrectly Configured Access Control Security Levels. This issue aff...

7.5
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-2025-30641 2025

A link following vulnerability in the anti-malware solution portion of Trend Micro Deep Security 20.0 agents could allow a local attacker to escalate...

7.8
CVE-2025-30640 2025

A link following vulnerability in Trend Micro Deep Security 20.0 agents could allow a local attacker to escalate privileges on affected installations....

7.8
CVE-2025-30638 2025

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in PowieT Powie's Uptime Robot allows Stored XSS. T...

5.9
CVE-2025-30651 2025

A Buffer Access with Incorrect Length Value vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allow...

7.5
CVE-2025-30649 2025

An Improper Input Validation vulnerability in the syslog stream TCP transport of Juniper Networks Junos OS on MX240, MX480 and MX960 devices with MX-S...

7.5
CVE-2025-30648 2025

An Improper Input Validation vulnerability in the Juniper DHCP Daemon (jdhcpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthentic...

7.4
CVE-2025-30647 2025

A Missing Release of Memory after Effective Lifetime vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on MX Series all...

6.5
CVE-2025-30646 2025

A Signed to Unsigned Conversion Error vulnerability in the Layer 2 Control Protocol daemon (l2cpd) of Juniper Networks Junos OS and Juniper Networks J...

6.5

Showing 10 of 20

FAQ

What is the default password for Juniper Networks Juniper QFX5100-48S?

The most common default credentials for Juniper Networks Juniper QFX5100-48S are listed in the table above. Always change these immediately after setup.

What is the default username for Juniper Networks Juniper QFX5100-48S?

The default username for Juniper Networks Juniper QFX5100-48S 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 QFX5100-48S?

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 QFX5100-48S 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 QFX5100-48S have known security vulnerabilities?

Juniper Networks Juniper QFX5100-48S has 20 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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