Buffer overflow in Realtek Rtl8195am
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.
Vulnerability class: Buffer Overflow
EPSS: 0.013 (66.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Realtek Rtl8195am
- Realtek Rtl8195am_firmware
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-39306?
- CVE-2021-39306 is a critical-severity vulnerability in Realtek Rtl8195am, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2021-12-22.
- How severe is CVE-2021-39306?
- Critical severity. CVSS v3 base score is 9.8 out of 10.