CVE-2020-9395
8.0 · HIGHOverview
CVE-2020-9395 is a high-severity vulnerability affecting realtek rtl8711af_firmware. It was published on July 6, 2020 and has a CVSS 3.1 base score of 8.0 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.0, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
An issue was discovered on Realtek RTL8195AM, RTL8711AM, RTL8711AF, and RTL8710AF devices before 2.0.6. A stack-based buffer overflow exists in the client code that takes care of WPA2's 4-way-handshake via a malformed EAPOL-Key packet with a long keydata buffer.
Remediation
Check the references section for vendor advisories and patches from realtek. Update rtl8711af_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| realtek | rtl8711af_firmware | >= 0, < 2.0.6 | Affected |
| realtek | rtl8711am_firmware | >= 0, < 2.0.6 | Affected |
| realtek | rtl8195am_firmware | >= 0, < 2.0.6 | Affected |
| realtek | rtl8710af_firmware | >= 0, < 2.0.6 | Affected |
References
Frequently Asked Questions
What is CVE-2020-9395?
CVE-2020-9395 is a high-severity vulnerability affecting realtek rtl8711af_firmware. It was published on July 6, 2020 and has a CVSS 3.1 base score of 8.0 (HIGH).
How severe is CVE-2020-9395?
This vulnerability has a CVSS 3.1 base score of 8.0, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2020-9395?
Check the references section for vendor advisories and patches from realtek. Update rtl8711af_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-9395?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-9395 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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