CVE-2021-45625 : What You Need to Know
Critical CVE-2021-45625 affects certain NETGEAR devices, allowing unauthenticated attackers to execute commands. Learn about impact, affected systems, exploitation, and mitigation steps.
Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects XR300 before 1.0.3.68, R7000P before 1.3.3.140, and R6900P before 1.3.3.140.
Understanding CVE-2021-45625
This CVE involves command injection on specific NETGEAR devices due to an unauthenticated attacker.
What is CVE-2021-45625?
The vulnerability allows an unauthenticated attacker to perform command injection on affected NETGEAR devices, potentially leading to a compromise of confidentiality, integrity, and availability.
The Impact of CVE-2021-45625
The impact of this critical vulnerability is characterized by high severity ratings across various aspects:
- Attack Complexity: Low
- Attack Vector: Adjacent Network
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Privileges Required: None
- Scope: Changed
- User Interaction: None
Technical Details of CVE-2021-45625
This section provides more insights into the technical aspects of the CVE.
Vulnerability Description
The vulnerability in NETGEAR devices allows unauthenticated attackers to execute arbitrary commands.
Affected Systems and Versions
- NETGEAR XR300 before 1.0.3.68
- NETGEAR R7000P before 1.3.3.140
- NETGEAR R6900P before 1.3.3.140
Exploitation Mechanism
Attackers can exploit this issue by sending specially crafted requests to the vulnerable devices, leading to unauthorized command execution.
Mitigation and Prevention
Taking immediate action to address and prevent exploitation of this vulnerability is crucial.
Immediate Steps to Take
- Update the firmware to the patched versions provided by NETGEAR.
- Restrict network access to vulnerable devices.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update firmware and security patches on all network devices.
- Implement strong authentication mechanisms and access controls.
Patching and Updates
NETGEAR has released updated firmware versions to address this vulnerability. It is essential to apply these patches promptly to secure the affected devices.