Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker.

published 2020-04-27 6 y ago modified 2026-06-17 4 mo ago also EUVD-2018-13615

cvss: 7.1; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits: 0; none known

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.

Patch / fix

fixed in 11

netgear wac505_firmware 5.0.5.4
netgear wac510_firmware 5.0.5.4
netgear wac120_firmware 2.1.7
netgear wn604_firmware 3.3.10
netgear wnap320_firmware 3.7.11.4
netgear wnap210_firmware 3.7.11.4
netgear wndap350_firmware 3.7.11.4
netgear wndap360_firmware 3.7.11.4
netgear wndap660_firmware 3.7.11.4
netgear wndap620_firmware 2.1.7
netgear wnd930_firmware 2.1.5

Exploit prediction

1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.1	CVSS:3.0/AC:L/AV:N/A:N/C:L/I:H/PR:N/S:U/UI:R
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	3.0	7.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-787 Out-of-bounds Write

References

kb.netgear.com /000060457/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Wireless-Access-Points-PSV-2018-009
vendor-advisory

Sources

CVE List CVE-2018-21097
NVD CVE-2018-21097

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary