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Vulnerability record · CVE-2020-35823 · published 30 December 2020

CVE-2020-35823: Netgear d7800 firmware cross-site scripting vulnerability

Netgear · D7800 Firmware

Certain NETGEAR devices are affected by stored XSS. This affects D7800 before 1.0.1.56, R7500v2 before 1.0.3.46, R7800 before 1.0.2.74, R8900 before 1.0.4.28, R9000 before 1.0.4.28, RAX120 before 1.0.0.78, RBK20 before 2.3.5.26, RBR20 before 2.3.5.26, RBS20 before 2.3.5.26, RBK40 before 2.3.5.30, RBR40 before 2.3.5.30, RBS40 before 2.3.5.30, RBK50 before 2.3.5.30, RBR50 before 2.3.5.30, RBS50 before 2.3.5.30, XR500 before 2.3.2.56, and XR700 before 1.0.1.10.

4.8 CVSS 3.1 Medium EPSS 0.56% · top 55.2% CWE-79 · Cross-site scripting
4.8CVSS 3.1 base score, v2 3.5
0.56%EPSS exploitation probability, 30 days
NoNot in CISA KEV
17Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Certain NETGEAR devices are affected by stored XSS. This affects D7800 before 1.0.1.56, R7500v2 before 1.0.3.46, R7800 before 1.0.2.74, R8900 before 1.0.4.28, R9000 before 1.0.4.28, RAX120 before 1.0.0.78, RBK20 before 2.3.5.26, RBR20 before 2.3.5.26, RBS20 before 2.3.5.26, RBK40 before 2.3.5.30, RBR40 before 2.3.5.30, RBS40 before 2.3.5.30, RBK50 before 2.3.5.30, RBR50 before 2.3.5.30, RBS50 before 2.3.5.30, XR500 before 2.3.2.56, and XR700 before 1.0.1.10.

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Affected products

17 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://kb.netgear.com/000062675/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-and-WiFi-Systems-PSV- Vendor Advisory
https://kb.netgear.com/000062675/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-and-WiFi-Systems-PSV- Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-35823), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.