Certain NETGEAR devices are affected by stored XSS.

published 2020-10-09 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-19453

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits: 0; none known

Certain NETGEAR devices are affected by stored XSS. This affects WC7500 before 6.5.5.24, WC7600 before 6.5.5.24, WC7600v2 before 6.5.5.24, and WC9500 before 6.5.5.24.

Patch / fix

fixed in 4

netgear wc7500_firmware 6.5.5.24
netgear wc7600_firmware 6.5.5.24
netgear wc7600v2_firmware 6.5.5.24
netgear wc9500_firmware 6.5.5.24

Exploit prediction

0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.3	CVSS:3.1/AC:L/AV:A/A:N/C:L/I:L/PR:H/S:C/UI:R
CNA	3.1	4.3	CVSS:3.1/AV:A/AC:L/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 /000062329/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Wireless-Controllers-PSV-2020-0180
vendor-advisory

Sources

CVE List CVE-2020-26923
NVD CVE-2020-26923

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