Cisco Cisco ISR 4431
- The Cisco ISR 4431 is a high-performance router designed for small to medium-sized businesses and branch offices.
Specifications
- OS
- Cisco IOS XE
- CPU
- 4-core 1.4 GHz
- LAN
- Gigabit Ethernet
- RAM
- 4 GB
- USB
- 2x USB 3.0
- VPN
- Yes
- WAN
- Gigabit Ethernet
- Rack
- 1U
- Flash
- 4 GB
- SD-WAN
- Yes
- LAN Ports
- 3x GE
- WAN Ports
- 3x GE
- Management
- Console, AUX, USB, SNMP
- Throughput
- 500 Mbps to 1 Gbps
Potential Threats
46 Known CVEs
Known CVE Vulnerabilities (46)
A vulnerability in the web UI feature of Cisco IOS XE Software could allow an authenticated, remote attacker to inject commands with the privileges of...
Cisco is providing an update for the ongoing investigation into observed exploitation of the web UI feature in Cisco IOS XE Software. We are updating...
A vulnerability in the Cisco ACI Multi-Site CloudSec encryption feature of Cisco Nexus 9000 Series Fabric Switches in ACI mode could allow an unauthen...
An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. The diff formatter u...
A vulnerability in the web-based management interface of Cisco Small Business RV160 and RV260 Series VPN Routers could allow an authenticated, remote...
A vulnerability in the web-based management interface of Cisco Small Business RV016, RV042, RV042G, RV082, RV320 and RV325 Routers could allow an auth...
A vulnerability in the web-based management interface of Cisco Small Business RV016, RV042, RV042G, and RV082 Routers could allow an unauthenticated,...
A vulnerability in the binding configuration of Cisco SD-WAN vManage Software containers could allow an unauthenticated, adjacent attacker who has acc...
A vulnerability in the health check RPM of Cisco IOS XR Software could allow an unauthenticated, remote attacker to access the Redis instance that is...
Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Exe...
Showing 10 of 46
FAQ
The most common default credentials for Cisco Cisco ISR 4431 are listed in the table above. Always change these immediately after setup.
The default username for Cisco Cisco ISR 4431 is typically "admin". The full list of default credentials including username, password, access type and port is shown in the table on this page.
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.
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.
No. Default credentials are publicly known and frequently exploited by automated scanners. Change the admin password immediately after first login.
Most routers are accessible at 192.168.1.1 or 192.168.0.1. Open a browser on a connected device and type the IP in the address bar to reach the admin login page.
Log in to the router admin panel at the default IP address. Go to Wireless or Wi-Fi settings. Find the WPA2/WPA3 passphrase field and update it. Save and reconnect your devices.
Change the default admin password and Wi-Fi password immediately. Disable WPS (Wi-Fi Protected Setup) — it is vulnerable to brute-force attacks. Enable WPA3 encryption if supported. Turn off remote management unless needed. Keep firmware updated.
Cisco Cisco ISR 4431 has 46 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.
