Certain NETGEAR devices are affected by privilege escalation.

published 2020-04-20 6 y ago modified 2026-06-17 4 mo ago also EUVD-2017-9929

cvss: 7.8; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 19%
public exploits: 0; none known

Certain NETGEAR devices are affected by privilege escalation. This affects M4300-28G before 12.0.2.15, M4300-52G before 12.0.2.15, M4300-28G-POE+ before 12.0.2.15, M4300-52G-POE+ before 12.0.2.15, M4300-8X8F before 12.0.2.15, M4300-12X12F before 12.0.2.15, M4300-24X24F before 12.0.2.15, M4300-24X before 12.0.2.15, M4300-48X before 12.0.2.15, and M4200 before 12.0.2.15.

Patch / fix

fixed in 10

netgear m4300-28g_firmware 12.0.2.15
netgear m4300-52g_firmware 12.0.2.15
netgear m4300-28g-poe+_firmware 12.0.2.15
netgear m4300-52g-poe+_firmware 12.0.2.15
netgear m4300-8x8f_firmware 12.0.2.15
netgear m4300-12x12f_firmware 12.0.2.15
netgear m4300-24x24f_firmware 12.0.2.15
netgear m4300-24x_firmware 12.0.2.15
netgear m4300-48x_firmware 12.0.2.15
netgear m4200_firmware 12.0.2.15

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.8	CVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:L/S:U/UI:N
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	4.6	AV:L/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-269 Improper Privilege Management

References

kb.netgear.com /000049024/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Fully-Managed-Switches-PSV-2017-1975
vendor-advisory

Sources

CVE List CVE-2017-18838
NVD CVE-2017-18838

Fencer Vulns 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