Vulnerability Details : 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 category: OverflowMemory Corruption
Products affected by CVE-2021-45638
- cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:d6220_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:d6400_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:d8500_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:dc112a_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:rbw30_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6300v2_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:rbs40v_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:rs400_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:d7000v2_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-45638
0.31%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 51 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-45638
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
9.6
|
CRITICAL | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
2.8
|
6.0
|
MITRE | |
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2021-45638
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-45638
-
https://kb.netgear.com/000064496/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2020-0464
Security Advisory for Pre-Authentication Stack Overflow on Some Routers, PSV-2020-0464 | Answer | NETGEAR SupportPatch;Vendor Advisory
Jump to