CVE & CISA-KEV Catalog

CVE-2019-20755

MEDIUM
6.8
CVSS v3
NVD

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6220 before 1.0.0.46, D6400 before 1.0.0.80, D7000v2 before 1.0.0.51, D8500 before 1.0.3.42, DGN2200v1 before 1.0.0.58, DGN2200B before 1.0.0.58, JNDR3000 before 1.0.0.24, RBW30 before 2.1.4.16, R6250 before 1.0.4.26, R6300v2 before 1.0.4.28, R6400 before 1.0.1.42, R6400v2 before 1.0.2.56, R6700 before 1.0.1.46, R6900 before 1.0.1.46, R7000 before 1.0.9.32, R6900P before 1.3.1.44, R7100LG before 1.0.0.46, R7300DST before 1.0.0.68, R7000P before 1.3.1.44, R7900 before 1.0.2.16, R8000P before 1.4.0.10, R7900P before 1.4.0.10, R8300 before 1.0.2.122, R8500 before 1.0.2.122, R8000 before 1.0.4.18, WNDR3400v3 before 1.0.1.22, WNDR4500v2 before 1.0.0.72, WNR3500Lv2 before 1.2.0.54, WN3100RP before 1.0.0.20, and WN2500RPv2 before 1.0.1.54.

CWE-787Out-of-bounds Write

How to fix

Remediation Available
d6220 firmwareNVD
Affected:< 1.0.0.46Fixed in:1.0.0.46CVE-2019-20755derived from NVD
d6400 firmwareNVD
Affected:< 1.0.0.80Fixed in:1.0.0.80CVE-2019-20755derived from NVD
d7000 firmwareNVD
Affected:< 1.0.0.51Fixed in:1.0.0.51CVE-2019-20755derived from NVD
d8500 firmwareNVD
Affected:< 1.0.3.42Fixed in:1.0.3.42CVE-2019-20755derived from NVD
dgn2200 firmwareNVD
Affected:< 1.0.0.58Fixed in:1.0.0.58CVE-2019-20755derived from NVD
dgn2200b firmwareNVD
Affected:< 1.0.0.58Fixed in:1.0.0.58CVE-2019-20755derived from NVD
jndr3000 firmwareNVD
Affected:< 1.0.0.24Fixed in:1.0.0.24CVE-2019-20755derived from NVD
r6250 firmwareNVD
Affected:< 1.0.4.26Fixed in:1.0.4.26CVE-2019-20755derived from NVD
r6300 firmwareNVD
Affected:< 1.0.4.28Fixed in:1.0.4.28CVE-2019-20755derived from NVD
r6400 firmwareNVD
Affected:< 1.0.2.56Fixed in:1.0.2.56CVE-2019-20755derived from NVD
r6700 firmwareNVD
Affected:< 1.0.1.46Fixed in:1.0.1.46CVE-2019-20755derived from NVD
r6900 firmwareNVD
Affected:< 1.0.1.46Fixed in:1.0.1.46CVE-2019-20755derived from NVD
r6900p firmwareNVD
Affected:< 1.3.1.44Fixed in:1.3.1.44CVE-2019-20755derived from NVD
r7000 firmwareNVD
Affected:< 1.0.9.32Fixed in:1.0.9.32CVE-2019-20755derived from NVD
r7000p firmwareNVD
Affected:< 1.3.1.44Fixed in:1.3.1.44CVE-2019-20755derived from NVD
r7100lg firmwareNVD
Affected:< 1.0.0.46Fixed in:1.0.0.46CVE-2019-20755derived from NVD
r7300dst firmwareNVD
Affected:< 1.0.0.68Fixed in:1.0.0.68CVE-2019-20755derived from NVD
r7900 firmwareNVD
Affected:< 1.0.2.16Fixed in:1.0.2.16CVE-2019-20755derived from NVD
r7900p firmwareNVD
Affected:< 1.4.0.10Fixed in:1.4.0.10CVE-2019-20755derived from NVD
r8000 firmwareNVD
Affected:< 1.0.4.18Fixed in:1.0.4.18CVE-2019-20755derived from NVD
r8000p firmwareNVD
Affected:< 1.4.0.10Fixed in:1.4.0.10CVE-2019-20755derived from NVD
r8300 firmwareNVD
Affected:< 1.0.2.122Fixed in:1.0.2.122CVE-2019-20755derived from NVD
r8500 firmwareNVD
Affected:< 1.0.2.122Fixed in:1.0.2.122CVE-2019-20755derived from NVD
rbw30 firmwareNVD
Affected:< 2.1.4.16Fixed in:2.1.4.16CVE-2019-20755derived from NVD
wn2500rp firmwareNVD
Affected:< 1.0.1.54Fixed in:1.0.1.54CVE-2019-20755derived from NVD
wn3100rp firmwareNVD
Affected:< 1.0.0.20Fixed in:1.0.0.20CVE-2019-20755derived from NVD
wndr3400 firmwareNVD
Affected:< 1.0.1.22Fixed in:1.0.1.22CVE-2019-20755derived from NVD
wndr4500 firmwareNVD
Affected:< 1.0.0.72Fixed in:1.0.0.72CVE-2019-20755derived from NVD
wnr3500l firmwareNVD
Affected:< 1.2.0.54Fixed in:1.2.0.54CVE-2019-20755derived 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

0.51%probability of exploitation in 30 days
40thpercentile

Low risk: more likely to be exploited than 40% 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.