Certain NETGEAR devices are affected by stored XSS.

published 2020-04-15 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-4128

cvss: 6.0; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 41%
public exploits: 0; none known

Certain NETGEAR devices are affected by stored XSS. This affects D7800 before 1.0.1.56, R7500v2 before 1.0.3.46, R7800 before 1.0.2.68, R8900 before 1.0.4.28, R9000 before 1.0.4.28, RAX120 before 1.0.0.78, RBR50 before 2.3.5.30, RBS50 before 2.3.5.30, RBK50 before 2.3.5.30, XR500 before 2.3.2.56, and XR700 before 1.0.1.10.

Patch / fix

fixed in 11

netgear d7800_firmware 1.0.1.56
netgear r7500_firmware 1.0.3.46
netgear r7800_firmware 1.0.2.68
netgear r8900_firmware 1.0.4.28
netgear r9000_firmware 1.0.4.28
netgear rax120_firmware 1.0.0.78
netgear xr500_firmware 2.3.2.56
netgear xr700_firmware 1.0.1.10
netgear rbr50_firmware 2.3.5.30
netgear rbs50_firmware 2.3.5.30
netgear rbk50_firmware 2.3.5.30

Exploit prediction

0.48% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	6.0	CVSS:3.0/AC:L/AV:L/A:N/C:H/I:H/PR:H/S:U/UI: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
CNA	3.0	6.0	CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/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 /000061744/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-Gateways-and-WiFi-Systems-PSV-201
vendor-advisory

Sources

CVE List CVE-2020-11786
NVD CVE-2020-11786

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