Cyber Resilience

CVE-2021-38534

Medium

Published: 11 August 2021

Published
11 August 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.1 CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
EPSS Score 0.0025 48.2th percentile
Risk Priority 8 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-38534 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Netgear R6700 Firmware. Its CVSS base score is 4.1 (Medium).

Operationally, ranked at the 48.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Certain NETGEAR devices are affected by stored XSS. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.76, D6100 before 1.0.0.60, D6200 before 1.1.00.36, D6220 before 1.0.0.52, D6400 before 1.0.0.86, D7000 before 1.0.1.70, D7000v2 before 1.0.0.53, D8500 before 1.0.3.44, DC112A before 1.0.0.42,…

more

DGN2200v4 before 1.0.0.110, DGND2200Bv4 before 1.0.0.109, DM200 before 1.0.0.61, JR6150 before 1.0.1.18, PR2000 before 1.0.0.28, R6020 before 1.0.0.42, R6050 before 1.0.1.18, R6080 before 1.0.0.42, R6220 before 1.1.0.80, R6230 before 1.1.0.80, R6250 before 1.0.4.34, R6260 before 1.1.0.64, R6300v2 before 1.0.4.34, R6400 before 1.0.1.46, R6400v2 before 1.0.2.62, R6700 before 1.0.2.6, R6700v2 before 1.2.0.36, R6700v3 before 1.0.2.62, R6800 before 1.2.0.36, R6900 before 1.0.2.4, R6900P before 1.3.1.64, R6900v2 before 1.2.0.36, R7000 before 1.0.9.60, R7000P before 1.3.1.64, R7100LG before 1.0.0.50, R7300DST before 1.0.0.70, R7450 before 1.2.0.36, R7900 before 1.0.3.8, R7900P before 1.4.1.50, R8000 before 1.0.4.28, R8000P before 1.4.1.50, R8300 before 1.0.2.130, R8500 before 1.0.2.130, WNDR3400v3 before 1.0.1.24, WNR2020 before 1.1.0.62, WNR3500Lv2 before 1.2.0.62, XR450 before 2.3.2.40, and XR500 before 2.3.2.40.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

netgear
d3600 firmware
≤ 1.0.0.76
netgear
d6000 firmware
≤ 1.0.0.76
netgear
d6100 firmware
≤ 1.0.0.60
netgear
d6200 firmware
≤ 1.1.00.36
netgear
d6220 firmware
≤ 1.0.0.52
netgear
d6400 firmware
≤ 1.0.0.86
netgear
d7000 firmware
≤ 1.0.1.70 · ≤ 1.0.0.53
netgear
d8500 firmware
≤ 1.0.3.44
netgear
dc112a firmware
≤ 1.0.0.42
netgear
dgn2200 firmware
≤ 1.0.0.110
+33 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References