CVE-2020-9395: realtek rtl8195am_firmware Out-of-bounds Write
CVSS: 8.0v3.1HighModified
Published 06-07-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-9395 is a high (CVSS 8.0) Out-of-bounds Write vulnerability in realtek rtl8195am_firmware. EPSS estimates a 0.78% chance of exploitation in the next 30 days, higher than 55.1% of scored vulnerabilities.
CVSS score
8.0/10
010
High · v3.1 (NVD)EPSS score
0.78%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 06-07-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 8.0Preferred score · NVD (NIST)
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:HSourcesSingle source
Medium 4.9Preferred score · NVD (NIST)
AV:A/AC:M/Au:S/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.78%
Chance of exploitation in the next 30 days
Percentile
55%
Versus all other CVEs
30-day change
0.00 pp
From 0.78% on 20-09-2026
20-09-202620-10-2026
EPSS score0.78%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Realtek4 products
- rtl8195am_firmware< 2.0.6
- rtl8710af_firmware< 2.0.6
- rtl8711af_firmware< 2.0.6
- rtl8711am_firmware< 2.0.6
1 vendor · 4 products
References
3 links- github.com/ambiot/amb1_arduino/commit/dcea55cf9775a0166805b3db845b237ecd5e74eaX Refsource MISCPatchThird Party Advisory
- github.com/ambiot/amb1_sdk/commit/bc5173d5d4faf6829074b0f1e1b242c12b7777a3X Refsource MISCPatchThird Party Advisory