Is CVE-2023-36187 in the CISA KEV catalog?

No. CVE-2023-36187 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-36187?

CVE-2023-36187 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2023-36187?

CVE-2023-36187 has an EPSS score of 0.94% (57th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-36187?

Upgrade cbr40 firmware to 2.5.0.24 or later. Fixes are available for 15 affected products.

CVE & CISA-KEV Catalog

CVE-2023-36187

CRITICAL

9.8

CVSS v3

NVD

Description

Buffer Overflow vulnerability in NETGEAR R6400v2 before version 1.0.4.118, allows remote unauthenticated attackers to execute arbitrary code via crafted URL to httpd.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available

cbr40 firmwareNVD

Affected:< 2.5.0.24Fixed in:2.5.0.24CVE-2023-36187derived from NVD

lax20 firmwareNVD

Affected:< 1.1.6.34Fixed in:1.1.6.34CVE-2023-36187derived from NVD

mk62 firmwareNVD

Affected:< 1.1.6.122Fixed in:1.1.6.122CVE-2023-36187derived from NVD

mr60 firmwareNVD

Affected:< 1.1.6.122Fixed in:1.1.6.122CVE-2023-36187derived from NVD

ms60 firmwareNVD

Affected:< 1.1.6.122Fixed in:1.1.6.122CVE-2023-36187derived from NVD

r6400 firmwareNVD

Affected:< 1.0.1.70Fixed in:1.0.1.70CVE-2023-36187derived from NVD

r6400v2 firmwareNVD

Affected:< 1.0.4.118Fixed in:1.0.4.118CVE-2023-36187derived from NVD

r6700v3 firmwareNVD

Affected:< 1.0.4.118Fixed in:1.0.4.118CVE-2023-36187derived from NVD

r7000 firmwareNVD

Affected:< 1.0.11.130Fixed in:1.0.11.130CVE-2023-36187derived from NVD

r7000p firmwareNVD

Affected:< 1.3.3.148Fixed in:1.3.3.148CVE-2023-36187derived from NVD

rax200 firmwareNVD

Affected:< 1.0.4.120Fixed in:1.0.4.120CVE-2023-36187derived from NVD

rax75 firmwareNVD

Affected:< 1.0.4.120Fixed in:1.0.4.120CVE-2023-36187derived from NVD

rax80 firmwareNVD

Affected:< 1.0.4.120Fixed in:1.0.4.120CVE-2023-36187derived from NVD

rbw30 firmwareNVD

Affected:< 2.6.2.6Fixed in:2.6.2.6CVE-2023-36187derived from NVD

rs400 firmwareNVD

Affected:< 1.5.1.86Fixed in:1.5.1.86CVE-2023-36187derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.94%probability of exploitation in 30 days

57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Vendor Advisory1

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.