CVE-2019-20738
CWE-79Published: April 16, 2020· Updated: Jun 17, 2026
Official Description
Certain NETGEAR devices are affected by stored XSS. This affects D6100 before 1.0.0.58, D7800 before 1.0.1.34, JNR1010v2 before 1.1.0.50, JWNR2010v5 before 1.1.0.50, RBK50 before 2.3.5.30, RBR50 before 2.3.5.30, RBS50 before 2.3.5.30, R6020 before 1.0.0.30, R6080 before 1.0.0.30, R6100 before 1.0.1.16, R6120 before 1.0.0.40, R6700v2 before 1.2.0.14, R6800 before 1.2.0.14, R6900v2 before 1.2.0.14, R7500v2 before 1.0.3.26, R7800 before 1.0.2.46, R9000 before 1.0.4.2, WN3000RPv2 before 1.0.0.52, WN3000RPv3 before 1.0.2.78, WNDR3700v4 before 1.0.2.102, WNDR3700v5 before 1.1.0.54, WNDR4300v1 before 1.0.2.104, WNDR4300v2 before 1.0.0.48, WNDR4500v3 before 1.0.0.48, WNR1000v4 before 1.1.0.50, WNR2000v5 before 1.0.0.64, WNR2020 before 1.1.0.50, and WNR2050 before 1.1.0.50. NOTE: this may be a result of an incomplete fix for CVE-2017-18866.
Technical Analysis
CVE-2019-20738 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.
From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-79)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-20738 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts