Description
A vulnerability, which was classified as critical, was found in USR USR-G806 1.0.41. Affected is an unknown function of the component Web Management Page. The manipulation of the argument username/password with the input root leads to use of hard-coded password. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. It is recommended to change the configuration settings. VDB-228774 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
EPSS Score:
24%
Comprehensive Technical Analysis of EUVD-2023-34111
1. Vulnerability Assessment and Severity Evaluation
The vulnerability EUVD-2023-34111, also known as CVE-2023-2645, is classified as critical with a CVSS Base Score of 9.8. This score is derived from the CVSS vector:
- AV:N (Attack Vector: Network) - The vulnerability can be exploited remotely over the network.
- AC:L (Attack Complexity: Low) - The attack requires minimal skill or resources to exploit.
- PR:N (Privileges Required: None) - No privileges are required to exploit the vulnerability.
- UI:N (User Interaction: None) - No user interaction is required for the attack to succeed.
- S:U (Scope: Unchanged) - The vulnerability does not change the security scope.
- C:H (Confidentiality: High) - The vulnerability has a high impact on confidentiality.
- I:H (Integrity: High) - The vulnerability has a high impact on integrity.
- A:H (Availability: High) - The vulnerability has a high impact on availability.
The high CVSS score indicates that this vulnerability poses a significant risk to affected systems. The use of hard-coded passwords in the web management page of the USR-G806 device allows for unauthorized access, which can lead to severe consequences such as data breaches, unauthorized modifications, and service disruptions.
2. Potential Attack Vectors and Exploitation Methods
The primary attack vector for this vulnerability is the manipulation of the username/password arguments with the input "root." This allows an attacker to bypass authentication mechanisms and gain unauthorized access to the web management page. The attack can be launched remotely, making it particularly dangerous.
Potential exploitation methods include:
- Brute Force Attacks: Attackers can use automated tools to attempt common username/password combinations, including the hard-coded "root" credentials.
- Network Scanning: Attackers can scan networks for devices with the USR-G806 firmware version 1.0.41 and attempt to exploit the vulnerability.
- Phishing: Attackers can trick users into visiting malicious websites that exploit the vulnerability.
3. Affected Systems and Software Versions
The vulnerability affects the USR-G806 device running firmware version 1.0.41. This device is commonly used for network management and could be deployed in various environments, including home networks, small businesses, and enterprise settings.
4. Recommended Mitigation Strategies
To mitigate the risk associated with this vulnerability, the following strategies are recommended:
- Update Firmware: Immediately update the firmware to a version that addresses the vulnerability. If an update is not available, consider disabling remote access to the web management page.
- Change Default Credentials: Ensure that all default credentials are changed to strong, unique passwords.
- Network Segmentation: Implement network segmentation to isolate critical systems and reduce the attack surface.
- Monitoring and Logging: Enable logging and monitoring to detect any unauthorized access attempts.
- Access Controls: Implement strict access controls and limit administrative access to trusted personnel only.
5. Impact on European Cybersecurity Landscape
The vulnerability poses a significant risk to the European cybersecurity landscape, particularly in environments where the USR-G806 device is widely deployed. The potential for unauthorized access and data breaches can have far-reaching implications, including financial losses, reputational damage, and legal consequences. Organizations must prioritize patching and implementing robust security measures to protect against such vulnerabilities.
6. Technical Details for Security Professionals
For security professionals, the following technical details are pertinent:
- Vulnerability Identifier: EUVD-2023-34111, CVE-2023-2645, GSD-2023-2645
- Affected Component: Web Management Page
- Exploit Method: Manipulation of username/password arguments with the input "root"
- Exploit Availability: The exploit has been disclosed to the public and may be used.
- References:
Security professionals should review these references for additional context and technical details. It is also advisable to monitor for any updates or patches released by the vendor and to stay informed about any new developments related to this vulnerability.
Conclusion
EUVD-2023-34111 is a critical vulnerability that requires immediate attention. Organizations using the USR-G806 device should prioritize updating the firmware and implementing robust security measures to mitigate the risk. The potential for remote exploitation and the high impact on confidentiality, integrity, and availability make this vulnerability a significant concern for the European cybersecurity landscape.