CVE & CISA-KEV Catalog

CVE-2018-21212

HIGH
8.8
CVSS v3
NVD

Description

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, D6100 before 1.0.0.56, D7800 before 1.0.1.30, EX2700 before 1.0.1.28, R6100 before 1.0.1.20, R7500 before 1.0.0.118, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.2.52, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.50, WN3100RPv2 before 1.0.0.56, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available
d3600 firmwareNVD
Affected:< 1.0.0.67Fixed in:1.0.0.67CVE-2018-21212derived from NVD
d6000 firmwareNVD
Affected:< 1.0.0.67Fixed in:1.0.0.67CVE-2018-21212derived from NVD
d6100 firmwareNVD
Affected:< 1.0.0.56Fixed in:1.0.0.56CVE-2018-21212derived from NVD
d7800 firmwareNVD
Affected:< 1.0.1.30Fixed in:1.0.1.30CVE-2018-21212derived from NVD
ex2700 firmwareNVD
Affected:< 1.0.1.28Fixed in:1.0.1.28CVE-2018-21212derived from NVD
r6100 firmwareNVD
Affected:< 1.0.1.20Fixed in:1.0.1.20CVE-2018-21212derived from NVD
r7500 firmwareNVD
Affected:< 1.0.3.24Fixed in:1.0.3.24CVE-2018-21212derived from NVD
r7800 firmwareNVD
Affected:< 1.0.2.40Fixed in:1.0.2.40CVE-2018-21212derived from NVD
r900 firmwareNVD
Affected:< 1.0.2.52Fixed in:1.0.2.52CVE-2018-21212derived from NVD
wn2000rpt firmwareNVD
Affected:< 1.0.1.20Fixed in:1.0.1.20CVE-2018-21212derived from NVD
wn3000rp firmwareNVD
Affected:< 1.0.2.50Fixed in:1.0.2.50CVE-2018-21212derived from NVD
wn3100rp firmwareNVD
Affected:< 1.0.0.56Fixed in:1.0.0.56CVE-2018-21212derived from NVD
wndr3700 firmwareNVD
Affected:< 1.0.2.96Fixed in:1.0.2.96CVE-2018-21212derived from NVD
wndr4300 firmwareNVD
Affected:< 1.0.0.50Fixed in:1.0.0.50CVE-2018-21212derived from NVD
wndr4500 firmwareNVD
Affected:< 1.0.0.50Fixed in:1.0.0.50CVE-2018-21212derived 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
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.72%probability of exploitation in 30 days
50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Vendor Advisory1

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
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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.