Is CVE-2021-45529 in the CISA KEV catalog?

No. CVE-2021-45529 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-45529?

CVE-2021-45529 has a CVSS v3 base score of 7.3 (HIGH).

What is the EPSS score for CVE-2021-45529?

CVE-2021-45529 has an EPSS score of 0.46% (37th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-45529?

Upgrade cbr40 firmware to 2.3.5.12 or later. Fixes are available for 10 affected products.

CVE & CISA-KEV Catalog

CVE-2021-45529

HIGH

7.3

CVSS v3

NVD

Description

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects CBR40 before 2.3.5.12, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, R6400 before 1.0.1.70, R7000 before 1.0.11.126, R6900P before 1.3.2.124, R7000P before 1.3.2.124, R7900 before 1.0.4.30, R8000 before 1.0.4.52, and WNR3500Lv2 before 1.2.0.62.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available

cbr40 firmwareNVD

Affected:< 2.3.5.12Fixed in:2.3.5.12CVE-2021-45529derived from NVD

d7000v2 firmwareNVD

Affected:< 1.0.0.66Fixed in:1.0.0.66CVE-2021-45529derived from NVD

d8500 firmwareNVD

Affected:< 1.0.3.58Fixed in:1.0.3.58CVE-2021-45529derived from NVD

r6400 firmwareNVD

Affected:< 1.0.1.70Fixed in:1.0.1.70CVE-2021-45529derived from NVD

r6900p firmwareNVD

Affected:< 1.3.2.124Fixed in:1.3.2.124CVE-2021-45529derived from NVD

r7000 firmwareNVD

Affected:< 1.0.11.126Fixed in:1.0.11.126CVE-2021-45529derived from NVD

r7000p firmwareNVD

Affected:< 1.3.2.124Fixed in:1.3.2.124CVE-2021-45529derived from NVD

r7900 firmwareNVD

Affected:< 1.0.4.30Fixed in:1.0.4.30CVE-2021-45529derived from NVD

r8000 firmwareNVD

Affected:< 1.0.4.52Fixed in:1.0.4.52CVE-2021-45529derived from NVD

wnr3500lv2 firmwareNVD

Affected:< 1.2.0.62Fixed in:1.2.0.62CVE-2021-45529derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:H

Exploit Intelligence

0.46%probability of exploitation in 30 days

37thpercentile

Low risk: more likely to be exploited than 37% of all known CVEs.

References

Patch1

kb.netgear.com

Related Vulnerabilities

Other CWE-120 (Classic Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0195	Medium	6.8	100%	-	Fix
CVE-2017-7269	Critical	9.8	100%	KEV	-
CVE-2019-11043	High	8.7	99%	KEV + Ransom	Fix
CVE-2011-4862	High	10.0	95%	-	Fix
CVE-2007-5659	High	7.8	94%	KEV	Fix
CVE-2022-3786	High	7.5	91%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.