Vulnerability Details : CVE-2021-45526
Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects EX6000 before 1.0.0.38, EX6120 before 1.0.0.48, EX6130 before 1.0.0.30, R6300v2 before 1.0.4.52, R6400 before 1.0.1.52, R7000 before 1.0.11.126, R7900 before 1.0.4.30, R8000 before 1.0.4.52, R7000P before 1.3.2.124, R8000P before 1.4.1.50, RAX80 before 1.0.3.88, R6900P before 1.3.2.124, R7900P before 1.4.1.50, and RAX75 before 1.0.3.88.
Vulnerability category: Overflow
Products affected by CVE-2021-45526
- cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r7900_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ex6120_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ex6130_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ex6000_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6300v2_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-45526
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 39 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-45526
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
7.3
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:H |
1.5
|
5.3
|
MITRE | |
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2021-45526
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-45526
-
https://kb.netgear.com/000064446/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-and-Extenders-PSV-2019-0078
Security Advisory for Post-Authentication Buffer Overflow on Some Routers and Extenders, PSV-2019-0078 | Answer | NETGEAR SupportPatch;Vendor Advisory
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