CVE & CISA-KEV Catalog

CVE-2018-21153

CRITICALEPSS 72th pctl
9.8
CVSS v3
NVD

Description

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D7800 before 1.0.1.34, DM200 before 1.0.0.50, EX2700 before 1.0.1.32, EX6100v2 before 1.0.1.70, EX6150v2 before 1.0.1.70, EX6200v2 before 1.0.1.62, EX6400 before 1.0.1.78, EX7300 before 1.0.1.62, EX8000 before 1.0.0.114, R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7500v2 before 1.0.3.26, R7800 before 1.0.2.40, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WN2000RPTv3 before 1.0.1.26, WN3000RPv2 before 1.0.0.56, WN3000RPv3 before 1.0.2.66, WN3100RPv2 before 1.0.0.56, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, and WNR2000v5 before 1.0.0.64.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available
d7800 firmwareNVD
Affected:< 1.0.1.34Fixed in:1.0.1.34CVE-2018-21153derived from NVD
dm200 firmwareNVD
Affected:< 1.0.0.50Fixed in:1.0.0.50CVE-2018-21153derived from NVD
ex2700 firmwareNVD
Affected:< 1.0.1.32Fixed in:1.0.1.32CVE-2018-21153derived from NVD
ex6100 firmwareNVD
Affected:< 1.0.1.70Fixed in:1.0.1.70CVE-2018-21153derived from NVD
ex6150 firmwareNVD
Affected:< 1.0.1.70Fixed in:1.0.1.70CVE-2018-21153derived from NVD
ex6200 firmwareNVD
Affected:< 1.0.1.62Fixed in:1.0.1.62CVE-2018-21153derived from NVD
ex6400 firmwareNVD
Affected:< 1.0.1.78Fixed in:1.0.1.78CVE-2018-21153derived from NVD
ex7300 firmwareNVD
Affected:< 1.0.1.62Fixed in:1.0.1.62CVE-2018-21153derived from NVD
ex8000 firmwareNVD
Affected:< 1.0.0.114Fixed in:1.0.0.114CVE-2018-21153derived from NVD
r6100 firmwareNVD
Affected:< 1.0.1.22Fixed in:1.0.1.22CVE-2018-21153derived from NVD
r7500 firmwareNVD
Affected:< 1.0.3.26Fixed in:1.0.3.26CVE-2018-21153derived from NVD
r7800 firmwareNVD
Affected:< 1.0.2.40Fixed in:1.0.2.40CVE-2018-21153derived from NVD
r8900 firmwareNVD
Affected:< 1.0.3.10Fixed in:1.0.3.10CVE-2018-21153derived from NVD
r9000 firmwareNVD
Affected:< 1.0.3.10Fixed in:1.0.3.10CVE-2018-21153derived from NVD
wn2000rpt firmwareNVD
Affected:< 1.0.1.26Fixed in:1.0.1.26CVE-2018-21153derived from NVD
wn3000rp firmwareNVD
Affected:< 1.0.2.66Fixed in:1.0.2.66CVE-2018-21153derived from NVD
wn3100rp firmwareNVD
Affected:< 1.0.0.56Fixed in:1.0.0.56CVE-2018-21153derived from NVD
wndr4300 firmwareNVD
Affected:< 1.0.0.54Fixed in:1.0.0.54CVE-2018-21153derived from NVD
wndr4500 firmwareNVD
Affected:< 1.0.0.54Fixed in:1.0.0.54CVE-2018-21153derived from NVD
wnr2000 firmwareNVD
Affected:< 1.0.0.64Fixed in:1.0.0.64CVE-2018-21153derived 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

1.54%probability of exploitation in 30 days
72ndpercentile

Elevated risk: more likely to be exploited than 72% 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.