CVE-2021-45523 : NETGEAR R7000 devices before 1.0.9.42 are affected by a buffer overflow by an au

NETGEAR R7000 devices before 1.0.9.42 are affected by a buffer overflow by an authenticated user.

Published 2021-12-26 01:15:14

Updated 2022-01-04 17:52:44

Source MITRE

View at NVD, CVE.org

Vulnerability category: Overflow

Products affected by CVE-2021-45523

Netgear » R7000 Firmware
Versions before (<) 1.0.9.42
cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7000 » Version: N/A

EPSS FAQ

0.08%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 31 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.8	MEDIUM	AV:N/AC:L/Au:S/C:N/I:N/A:C	8.0	6.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete
5.7	MEDIUM	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	2.1	3.6	MITRE
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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)

https://kb.netgear.com/000064442/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-R7000-PSV-2018-0418

Security Advisory for Post-Authentication Buffer Overflow on R7000, PSV-2018-0418 | Answer | NETGEAR Support
Vendor Advisory

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