Cyber Resilience

CVE-2021-45668

Medium

Published: 26 December 2021

Published
26 December 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:L/I:H/A:L
EPSS Score 0.0022 44.3th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-45668 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Netgear Eax20 Firmware. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 44.3th 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 EAX20 before 1.0.0.48, EAX80 before 1.0.1.64, EX3700 before 1.0.0.90, EX3800 before 1.0.0.90, EX6120 before 1.0.0.64, EX6130 before 1.0.0.44, EX7500 before 1.0.0.72, R7960P before 1.4.1.66, R7900P before 1.4.1.66, R8000P before 1.4.1.66,…

more

RAX15 before 1.0.2.82, RAX20 before 1.0.2.82, RAX200 before 1.0.3.106, RAX45 before 1.0.2.72, RAX50 before 1.0.2.72, RAX75 before 1.0.3.106, and RAX80 before 1.0.3.106.

CWE(s)

Related Threats

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

Affected Assets

netgear
eax20 firmware
≤ 1.0.0.48
netgear
eax80 firmware
≤ 1.0.1.64
netgear
ex6120 firmware
≤ 1.0.0.64
netgear
ex6130 firmware
≤ 1.0.0.44
netgear
ex7500 firmware
≤ 1.0.0.72
netgear
r7960p firmware
≤ 1.4.1.66
netgear
rax200 firmware
≤ 1.0.3.106
netgear
ex3700 firmware
≤ 1.0.0.90
netgear
r8000p firmware
≤ 1.4.1.66
netgear
rax20 firmware
≤ 1.0.2.82
+7 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