Firewall
Fortinet

Fortinet Fortinet FortiGate 81E

- The Fortinet FortiGate 81E is a high-performance, next-generation firewall designed for small to medium-sized businesses and branch offices.

Fortinet Fortinet FortiGate 81E

Specifications

OS
FortiOS
CPU
SoC4
IDS/IPS
550 Mbps
LAN
Gigabit Ethernet
RAM
2 GB
USB
1x USB
UTM
500 Mbps

Potential Threats

12
Critical
9
High
2
Medium
2
Low

25 Known CVEs

12 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

192.168.1.99

Default admin panel address for Fortinet Fortinet FortiGate 81E

Default Credentials — Fortinet Fortinet FortiGate 81E

Username Password Access Type Protocol Port Notes
(blank) web HTTPS 443
(blank) ssh SSH 22
(blank) console Serial Console

Known CVE Vulnerabilities (25)

Sort:
CVE-2023-25610 2025

A buffer underwrite ('buffer underflow') vulnerability in the administrative interface of Fortinet FortiOS version 7.2.0 through 7.2.3, version 7.0.0...

9.8
CVE-2024-55591 2025

An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS version 7.0.0 through 7.0.16 and FortiProxy vers...

9.8
CVE-2021-32589 2024

A Use After Free (CWE-416) vulnerability in FortiManager version 7.0.0, version 6.4.5 and below, version 6.2.7 and below, version 6.0.10 and below, ve...

8.1
CVE-2023-48788 2024

A improper neutralization of special elements used in an sql command ('sql injection') in Fortinet FortiClientEMS version 7.2.0 through 7.2.2, FortiCl...

9.8
CVE-2024-23113 2024

A use of externally-controlled format string in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, FortiProxy v...

9.8
CVE-2024-21762 2024

A out-of-bounds write in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, 6.4.0 through 6.4.14, 6.2.0 through...

9.8
CVE-2023-40719 2023

A use of hard-coded credentials vulnerability in Fortinet FortiAnalyzer and FortiManager 7.0.0 - 7.0.8, 7.2.0 - 7.2.3 and 7.4.0 allows an attacker to...

4.1
CVE-2023-29183 2023

An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability [CWE-79] in FortiProxy 7.2.0 through 7.2.4, 7.0....

8.0
CVE-2023-27997 2023

A heap-based buffer overflow vulnerability [CWE-122] in FortiOS version 7.2.4 and below, version 7.0.11 and below, version 6.4.12 and below, version 6...

9.8
CVE-2023-22640 2023

A out-of-bounds write in Fortinet FortiOS version 7.2.0 through 7.2.3, FortiOS version 7.0.0 through 7.0.10, FortiOS version 6.4.0 through 6.4.11, For...

7.5

Showing 10 of 25

FAQ

What is the default password for Fortinet Fortinet FortiGate 81E?

The most common default credentials for Fortinet Fortinet FortiGate 81E are listed in the table above. Always change these immediately after setup.

What is the default username for Fortinet Fortinet FortiGate 81E?

The default username for Fortinet Fortinet FortiGate 81E 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 Fortinet Fortinet FortiGate 81E?

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 Fortinet Fortinet FortiGate 81E 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 Fortinet Fortinet FortiGate 81E have known security vulnerabilities?

Fortinet Fortinet FortiGate 81E has 25 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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