CVE-2019-18989 : Exploit Details and Defense Strategies
Learn about CVE-2019-18989, a vulnerability in Mediatek MT7620N 1.06 devices enabling partial authentication bypass. Understand the impact, affected systems, exploitation mechanism, and mitigation steps.
A vulnerability in Mediatek MT7620N 1.06 devices allows a partial authentication bypass, potentially enabling unauthorized access to encrypted data frames in a WPA2-protected WLAN router.
Understanding CVE-2019-18989
What is CVE-2019-18989?
The vulnerability in Mediatek MT7620N 1.06 devices permits the transmission of unencrypted data frames to a WPA2-protected WLAN router, potentially leading to unauthorized access and data manipulation.
The Impact of CVE-2019-18989
Exploiting this vulnerability could allow attackers to intercept and decipher sensitive information or even modify data within the network.
Technical Details of CVE-2019-18989
Vulnerability Description
The vulnerability enables a partial authentication bypass, allowing unencrypted data frames to be sent to a WPA2-protected WLAN router, potentially compromising network security.
Affected Systems and Versions
- Product: Mediatek MT7620N 1.06
- Vendor: Mediatek
- Versions: All versions are affected
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Adjacent Network
- Privileges Required: None
- User Interaction: None
- Scope: Changed
- Confidentiality Impact: Low
- Integrity Impact: Low
- Availability Impact: None
Mitigation and Prevention
Immediate Steps to Take
- Monitor network traffic for any suspicious activities
- Implement encryption protocols beyond WPA2 for enhanced security
Long-Term Security Practices
- Regularly update firmware and security patches
- Conduct security audits and penetration testing to identify vulnerabilities
Patching and Updates
Apply patches and updates provided by Mediatek to address the vulnerability.