Certain NETGEAR devices are affected by stored XSS.

published 2021-12-26 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-32435

cvss: 3.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 37%
public exploits: 0; none known

Certain NETGEAR devices are affected by stored XSS. This affects RAX200 before 1.0.3.106, MR60 before 1.0.6.110, RAX20 before 1.0.2.82, RAX45 before 1.0.2.72, RAX80 before 1.0.3.106, MS60 before 1.0.6.110, RAX15 before 1.0.2.82, RAX50 before 1.0.2.72, RAX75 before 1.0.3.106, RBR750 before 3.2.16.6, RBR850 before 3.2.16.6, RBS750 before 3.2.16.6, RBS850 before 3.2.16.6, RBK752 before 3.2.16.6, and RBK852 before 3.2.16.6.

Patch / fix

fixed in 15 links 1

netgear rax200_firmware 1.0.3.106
netgear mr60_firmware 1.0.6.110
netgear rax20_firmware 1.0.2.82
netgear rax45_firmware 1.0.2.72
netgear rax80_firmware 1.0.3.106
netgear ms60_firmware 1.0.6.110
netgear rax15_firmware 1.0.2.82
netgear rax50_firmware 1.0.2.72
netgear rax75_firmware 1.0.3.106
netgear rbr750_firmware 3.2.16.6
netgear rbr850_firmware 3.2.16.6
netgear rbs750_firmware 3.2.16.6
netgear rbs850_firmware 3.2.16.6
netgear rbk752_firmware 3.2.16.6
netgear rbk852_firmware 3.2.16.6

kb.netgear.com/000064478/Security-Advisory-for-Stored-Cross-Site-Scriptin… advisory

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.7	CVSS:3.1/AC:H/AV:A/A:N/C:L/I:L/PR:H/S:C/UI:R
CNA	3.1	3.7	CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD	3.1	4.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

kb.netgear.com /000064478/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-and-WiFi-Systems-PSV-2020-0210
patch, vendor-advisory

Sources

CVE List CVE-2021-45669
NVD CVE-2021-45669

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