CVE-2021-45525 : What You Need to Know
Learn about CVE-2021-45525, a buffer overflow vulnerability in certain NETGEAR devices. Discover impacted systems, exploitation details, and mitigation steps.
Certain NETGEAR devices are affected by a buffer overflow vulnerability that can be exploited by an authenticated user.
Understanding CVE-2021-45525
What is CVE-2021-45525?
CVE-2021-45525 is a buffer overflow vulnerability found in certain NETGEAR devices, allowing an authenticated user to trigger the vulnerability.
The Impact of CVE-2021-45525
This vulnerability has a CVSS v3.1 base score of 6.1, with medium severity. It can lead to high confidentiality and integrity impacts without user interaction.
Technical Details of CVE-2021-45525
Vulnerability Description
The vulnerability allows an authenticated user to perform a buffer overflow on affected NETGEAR devices.
Affected Systems and Versions
- EX7000 before 1.0.1.80
- R6400 before 1.0.1.50
- R6400v2 before 1.0.4.118
- R6700 before 1.0.2.8
- R6700v3 before 1.0.4.118
- R6900 before 1.0.2.8
- More versions listed in the provided details.
Exploitation Mechanism
The attack complexity is low, requiring high privileges and no user interaction. The attacker needs to be on an adjacent network to exploit the vulnerability.
Mitigation and Prevention
Immediate Steps to Take
- Update the firmware of the affected devices to the latest patched versions.
- Restrict network access to vulnerable devices.
Long-Term Security Practices
- Regularly monitor and apply security patches to all network devices.
- Enforce strong authentication controls for device access.
Patching and Updates
Regularly check for and apply firmware updates from NETGEAR to address security vulnerabilities.