Certain NETGEAR devices are affected by reflected XSS.

published 2020-04-20 6 y ago modified 2026-06-17 4 mo ago also EUVD-2017-9926

cvss: 6.1; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 55%
public exploits: 0; none known

Certain NETGEAR devices are affected by reflected XSS. 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

0.74% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	6.1	CVSS:3.0/AC:L/AV:L/A:L/C:L/I:L/PR:N/S:C/UI:R
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA	3.0	6.1	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

kb.netgear.com /000049027/Security-Advisory-for-Reflected-Cross-Site-Scripting-on-Some-Fully-Managed-Switches-PSV-2017-1957
vendor-advisory

Sources

CVE List CVE-2017-18835
NVD CVE-2017-18835

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