CVE & CISA-KEV Catalog

CVE-2021-45611

CRITICAL
9.6
CVSS v3
NVD

Description

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects DC112A before 1.0.0.52, R6400 before 1.0.1.68, RAX200 before 1.0.3.106, WNDR3400v3 before 1.0.1.38, XR300 before 1.0.3.68, R8500 before 1.0.2.144, RAX75 before 1.0.3.106, R8300 before 1.0.2.144, and RAX80 before 1.0.3.106.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available
dc112a firmwareNVD
Affected:< 1.0.0.52Fixed in:1.0.0.52CVE-2021-45611derived from NVD
r6400 firmwareNVD
Affected:< 1.0.1.68Fixed in:1.0.1.68CVE-2021-45611derived from NVD
r8300 firmwareNVD
Affected:< 1.0.2.144Fixed in:1.0.2.144CVE-2021-45611derived from NVD
r8500 firmwareNVD
Affected:< 1.0.2.144Fixed in:1.0.2.144CVE-2021-45611derived from NVD
rax200 firmwareNVD
Affected:< 1.0.3.106Fixed in:1.0.3.106CVE-2021-45611derived from NVD
rax75 firmwareNVD
Affected:< 1.0.3.106Fixed in:1.0.3.106CVE-2021-45611derived from NVD
rax80 firmwareNVD
Affected:< 1.0.3.106Fixed in:1.0.3.106CVE-2021-45611derived from NVD
wndr3400v3 firmwareNVD
Affected:< 1.0.1.38Fixed in:1.0.1.38CVE-2021-45611derived from NVD
xr300 firmwareNVD
Affected:< 1.0.3.68Fixed in:1.0.3.68CVE-2021-45611derived 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 VectorAdjacent
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeChanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

1.20%probability of exploitation in 30 days
64thpercentile

Moderate risk: more likely to be exploited than 64% of all known CVEs.

References

Related Vulnerabilities

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

CVESeverityCVSSEPSSExploitedFix
CVE-2014-0195Medium6.8100%-Fix
CVE-2017-7269Critical9.8100%KEV-
CVE-2019-11043High8.799%KEV + RansomFix
CVE-2011-4862High10.095%-Fix
CVE-2007-5659High7.894%KEVFix
CVE-2022-3786High7.591%-Fix
Embed a live status badge for CVE-2021-45611
CVE-2021-45611 severity badge

Markdown

[![CVE-2021-45611](https://tridentstack.com/cve/badge/CVE-2021-45611.svg)](https://tridentstack.com/cve/CVE-2021-45611)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-45611"><img src="https://tridentstack.com/cve/badge/CVE-2021-45611.svg" alt="CVE-2021-45611"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.