VulnerabilityModified
CVE-2021-39306
A stack buffer overflow was discovered on Realtek RTL8195AM device before 2.0.10, it exists in the client code when an attacker sends a big size Authentication challenge text in WEP security.
CRITICAL 9.8EPSS 1.26%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A stack buffer overflow was discovered on Realtek RTL8195AM device before 2.0.10, it exists in the client code when an attacker sends a big size Authentication challenge text in WEP security.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.26% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- realtek/rtl8195am firmware
- Source
- cve@mitre.org
References
- https://www.amebaiot.com/en/security_bulletin/cve-2021-39306/Vendor Advisory
- https://www.realtek.comVendor Advisory
- https://www.amebaiot.com/en/security_bulletin/cve-2021-39306/Vendor Advisory
- https://www.realtek.comVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.