CVE & CISA-KEV Catalog

CVE-2018-21097

CRITICAL
9.8
CVSS v3
NVD

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects WAC505 before 5.0.5.4, WAC510 before 5.0.5.4, WAC120 before 2.1.7, WN604 before 3.3.10, WNAP320 before 3.7.11.4, WNAP210v2 before 3.7.11.4, WNDAP350 before 3.7.11.4, WNDAP360 before 3.7.11.4, WNDAP660 before 3.7.11.4, WNDAP620 before 2.1.7, and WND930 before 2.1.5.

CWE-787Out-of-bounds Write

How to fix

Remediation Available
wac120 firmwareNVD
Affected:< 2.1.7Fixed in:2.1.7CVE-2018-21097derived from NVD
wac505 firmwareNVD
Affected:< 5.0.5.4Fixed in:5.0.5.4CVE-2018-21097derived from NVD
wac510 firmwareNVD
Affected:< 5.0.5.4Fixed in:5.0.5.4CVE-2018-21097derived from NVD
wn604 firmwareNVD
Affected:< 3.3.10Fixed in:3.3.10CVE-2018-21097derived from NVD
wnap210 firmwareNVD
Affected:< 3.7.11.4Fixed in:3.7.11.4CVE-2018-21097derived from NVD
wnap320 firmwareNVD
Affected:< 3.7.11.4Fixed in:3.7.11.4CVE-2018-21097derived from NVD
wnd930 firmwareNVD
Affected:< 2.1.5Fixed in:2.1.5CVE-2018-21097derived from NVD
wndap350 firmwareNVD
Affected:< 3.7.11.4Fixed in:3.7.11.4CVE-2018-21097derived from NVD
wndap360 firmwareNVD
Affected:< 3.7.11.4Fixed in:3.7.11.4CVE-2018-21097derived from NVD
wndap620 firmwareNVD
Affected:< 2.1.7Fixed in:2.1.7CVE-2018-21097derived from NVD
wndap660 firmwareNVD
Affected:< 3.7.11.4Fixed in:3.7.11.4CVE-2018-21097derived 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

1.16%probability of exploitation in 30 days
63rdpercentile

Moderate risk: more likely to be exploited than 63% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2025-22457Critical9.0100%KEV + RansomFix
CVE-2025-0282Critical9.0100%KEV + Ransom-
CVE-2015-3113Critical9.8100%KEVFix
CVE-2021-20038Critical9.8100%KEV + Ransom-
CVE-2023-4863High8.8100%KEVFix
CVE-2020-16040Medium6.5100%-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.