Buffer overflow in Netgear D6220
CVE-2021-45638
Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.68, D6400 before 1.0.0.102, D7000v2 before 1.0.0.74, D8500 before 1.0.3.60, DC112A before 1.0.0.56, R6300v2 before 1.0.4.50, R6400 before 1.0.1.68, R7000 before 1.0.11.116, R7100LG before 1.0.0.70, RBS40V before 2.6.2.8, RBW30 before 2.6.2.2, RS400 before 1.5.1.80, R7000P before 1.3.2.132, and R6900P before 1.3.2.132.
Vulnerability class: Buffer Overflow
EPSS: 0.015 (71.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-45638?
- CVE-2021-45638 is a critical-severity vulnerability in Netgear D6220, classified under Out-of-bounds Write. CVSS score: 9.6/10. Published 2021-12-26.
- How severe is CVE-2021-45638?
- Critical severity. CVSS v3 base score is 9.6 out of 10.