Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user.

published 2020-04-28 6y ago modified 2026-06-17 4mo ago also EUVD-2018-13702

cvss: 6.8; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits: 0; none known

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.57, D7800 before 1.0.1.28, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, and R9000 before 1.0.3.6.

Patch / fix

fixed in 5

netgear d6100_firmware 1.0.0.57
netgear d7800_firmware 1.0.1.28
netgear r7500_firmware 1.0.3.24
netgear r7800_firmware 1.0.2.40
netgear r9000_firmware 1.0.3.6

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Exploit prediction

0.59% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	6.8	CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:U/UI:N
NVD	3.1	6.8	CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA	3.0	6.8	CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	5.2	AV:A/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness

CWE-787 Out-of-bounds Write

References

kb.netgear.com /000055174/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2615
vendor-advisory

Sources

CVE List CVE-2018-21184
NVD CVE-2018-21184

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