Description
A vulnerability classified as critical has been found in TOTOLINK T10 AC1200 4.1.8cu.5207. Affected is an unknown function of the file /squashfs-root/web_cste/cgi-bin/product.ini of the component Telnet Service. The manipulation leads to hard-coded credentials. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
EPSS Score:
1%
Comprehensive Technical Analysis of EUVD-2024-48986
1. Vulnerability Assessment and Severity Evaluation
The vulnerability EUVD-2024-48986, also known as CVE-2024-8162, is classified as critical with a CVSS base score of 9.3. This score is derived from the following vector:
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Authentication (AT): None (N)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Confidentiality Impact (VC): High (H)
- Integrity Impact (VI): High (H)
- Availability Impact (VA): High (H)
- Scope Change (SC): None (N)
- Scope Impact (SI): None (N)
- Scope Availability (SA): None (N)
The high severity is due to the potential for remote exploitation without requiring any user interaction or authentication, leading to significant impacts on confidentiality, integrity, and availability.
2. Potential Attack Vectors and Exploitation Methods
The vulnerability involves hard-coded credentials in the Telnet Service component of the TOTOLINK T10 AC1200 device. Potential attack vectors include:
- Remote Access: An attacker can exploit this vulnerability over the network, gaining unauthorized access to the device.
- Credential Harvesting: The hard-coded credentials can be extracted and used to gain administrative access to the device.
- Lateral Movement: Once access is gained, the attacker can move laterally within the network, potentially compromising other devices and systems.
Exploitation methods may include:
- Network Scanning: Identifying vulnerable devices on the network.
- Brute Force Attacks: Using known hard-coded credentials to gain access.
- Automated Scripts: Deploying scripts to automate the exploitation process across multiple devices.
3. Affected Systems and Software Versions
The vulnerability specifically affects:
- Device: TOTOLINK T10 AC1200
- Firmware Version: 4.1.8cu.5207
Other versions of the firmware may also be affected, but this has not been confirmed. It is advisable to check for updates and patches from the vendor.
4. Recommended Mitigation Strategies
To mitigate the risk associated with this vulnerability, the following strategies are recommended:
- Firmware Update: Immediately apply any available firmware updates from the vendor. If no updates are available, consider disabling the Telnet Service.
- Network Segmentation: Isolate vulnerable devices on a separate network segment to limit potential lateral movement.
- Access Controls: Implement strict access controls and monitor for unauthorized access attempts.
- Intrusion Detection: Deploy intrusion detection systems (IDS) to monitor for suspicious activity related to this vulnerability.
- Credential Management: Change default credentials and enforce strong, unique passwords for all devices.
5. Impact on European Cybersecurity Landscape
The disclosure of this vulnerability poses a significant risk to the European cybersecurity landscape, particularly for organizations and individuals using the affected TOTOLINK devices. The potential for remote exploitation and the lack of vendor response increase the likelihood of widespread attacks. Organizations must prioritize patching and implementing robust security measures to protect against potential breaches.
6. Technical Details for Security Professionals
- Vulnerable File: The vulnerability resides in the file
/squashfs-root/web_cste/cgi-bin/product.ini. - Component: Telnet Service
- Hard-Coded Credentials: The presence of hard-coded credentials allows attackers to bypass authentication mechanisms.
- Exploit Availability: The exploit has been disclosed to the public, increasing the risk of widespread attacks.
- Vendor Response: The vendor has not responded to the disclosure, indicating a potential lack of support or patch availability.
Security professionals should prioritize identifying and mitigating this vulnerability within their networks. Regular monitoring and updating of firmware are essential to maintain a secure environment.
Conclusion
EUVD-2024-48986 represents a critical vulnerability in the TOTOLINK T10 AC1200 device, posing significant risks to organizations and individuals. Immediate action is required to mitigate the risk, including updating firmware, implementing strict access controls, and monitoring for unauthorized access. The lack of vendor response underscores the need for proactive security measures to protect against potential exploitation.