CVE-2020-26201 Explained : Impact and Mitigation

Askey AP5100W_Dual_SIG_1.01.097 and all prior versions have a vulnerability that allows unauthorized access to the device's Operating System via weak passwords.

Understanding CVE-2020-26201

This CVE identifies a security issue in Askey AP5100W_Dual_SIG routers that could lead to unauthorized access to the device's Operating System.

What is CVE-2020-26201?

The vulnerability in Askey AP5100W_Dual_SIG routers allows attackers to gain admin or root access to the device's Operating System through Telnet or SSH using a weak password.

The Impact of CVE-2020-26201

This vulnerability poses a significant security risk as unauthorized users can exploit it to gain control over the affected devices, potentially leading to further compromise or data breaches.

Technical Details of CVE-2020-26201

Askey AP5100W_Dual_SIG routers are affected by the following:

Vulnerability Description

The weak password implementation at the Operating System level (rlx-linux) enables attackers to access the device's Operating System as admin or root via Telnet or SSH.

Affected Systems and Versions

Product: Askey AP5100W_Dual_SIG
Versions: 1.01.097 and all prior versions

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging the weak password present in the device's Operating System, allowing them to gain unauthorized access via Telnet or SSH.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigate the risks associated with CVE-2020-26201.

Immediate Steps to Take

Change default passwords on affected devices to strong, unique passwords.
Disable Telnet and SSH services if not required.
Regularly monitor device logs for any unauthorized access attempts.

Long-Term Security Practices

Implement network segmentation to isolate critical devices.
Keep devices up to date with the latest firmware and security patches.
Conduct regular security audits and penetration testing to identify and address vulnerabilities.

Patching and Updates

Check for firmware updates from Askey and apply patches that address the weak password vulnerability.