CVE-2019-1828 : Security Advisory and Response

Cisco Small Business RV320 and RV325 Routers Weak Credential Encryption Vulnerability

Understanding CVE-2019-1828

This CVE involves a security flaw in the web-based management interface of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers, potentially allowing unauthorized remote attackers to obtain administrative credentials.

What is CVE-2019-1828?

The vulnerability arises from the use of inadequate encryption algorithms for user credentials on affected devices. Attackers could exploit this by executing man-in-the-middle attacks to decrypt intercepted credentials, gaining administrator privileges and unauthorized access.

The Impact of CVE-2019-1828

CVSS Base Score: 5.9 (Medium Severity)
Confidentiality Impact: High
Attack Vector: Network
Attack Complexity: High

Technical Details of CVE-2019-1828

The following technical details provide insight into the vulnerability:

Vulnerability Description

Weak encryption algorithms used for user credentials on Cisco Small Business RV320 and RV325 Routers

Affected Systems and Versions

Product: Cisco Small Business RV Series Router Firmware
Vendor: Cisco
Versions Affected: Firmware versions prior to 1.4.2.22

Exploitation Mechanism

Attackers can conduct man-in-the-middle attacks to intercept and decrypt user credentials

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2019-1828.

Immediate Steps to Take

Update affected devices to firmware version 1.4.2.22 or higher
Monitor network traffic for any suspicious activities

Long-Term Security Practices

Implement strong encryption protocols for sensitive data
Regularly review and update security configurations

Patching and Updates

Regularly check for firmware updates and security advisories from Cisco