CVE & CISA-KEV Catalog

CVE-2018-21227

MEDIUM
6.8
CVSS v3
NVD

Description

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D7800 before 1.0.1.34, R6400v2 before 1.0.2.34, R6700 before 1.0.1.30, R6900 before 1.0.1.30, R6900P before 1.0.0.62, R7000 before 1.0.9.12, R7000P before 1.0.0.62, R7500v2 before 1.0.3.26, R7800 before 1.0.2.42, R9000 before 1.0.3.10, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.

CWE-74Injection

How to fix

Remediation Available
d7800 firmwareNVD
Affected:< 1.0.1.34Fixed in:1.0.1.34CVE-2018-21227derived from NVD
r6400 firmwareNVD
Affected:< 1.0.2.34Fixed in:1.0.2.34CVE-2018-21227derived from NVD
r6700 firmwareNVD
Affected:< 1.0.1.30Fixed in:1.0.1.30CVE-2018-21227derived from NVD
r6900 firmwareNVD
Affected:< 1.0.1.30Fixed in:1.0.1.30CVE-2018-21227derived from NVD
r6900p firmwareNVD
Affected:< 1.0.0.62Fixed in:1.0.0.62CVE-2018-21227derived from NVD
r7000 firmwareNVD
Affected:< 1.0.9.12Fixed in:1.0.9.12CVE-2018-21227derived from NVD
r7000p firmwareNVD
Affected:< 1.0.0.62Fixed in:1.0.0.62CVE-2018-21227derived from NVD
r7500 firmwareNVD
Affected:< 1.0.3.26Fixed in:1.0.3.26CVE-2018-21227derived from NVD
r7800 firmwareNVD
Affected:< 1.0.2.42Fixed in:1.0.2.42CVE-2018-21227derived from NVD
r9000 firmwareNVD
Affected:< 1.0.3.10Fixed in:1.0.3.10CVE-2018-21227derived from NVD
wndr4300 firmwareNVD
Affected:< 1.0.0.50Fixed in:1.0.0.50CVE-2018-21227derived from NVD
wndr4500 firmwareNVD
Affected:< 1.0.0.50Fixed in:1.0.0.50CVE-2018-21227derived 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 RequiredHigh
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.81%probability of exploitation in 30 days
53rdpercentile

Moderate risk: more likely to be exploited than 53% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-74 (Injection) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2013-2251Critical9.8100%KEVFix
CVE-2023-22527Critical9.8100%KEV + RansomFix
CVE-2019-2725Critical9.8100%KEV + RansomFix
CVE-2022-46169Critical9.8100%KEVFix
CVE-2022-35914Critical9.8100%KEV-
CVE-2019-17558High7.599%KEVFix
Embed a live status badge for CVE-2018-21227
CVE-2018-21227 severity badge

Markdown

[![CVE-2018-21227](https://tridentstack.com/cve/badge/CVE-2018-21227.svg)](https://tridentstack.com/cve/CVE-2018-21227)

HTML

<a href="https://tridentstack.com/cve/CVE-2018-21227"><img src="https://tridentstack.com/cve/badge/CVE-2018-21227.svg" alt="CVE-2018-21227"></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.