Cyber Resilience

CVE-2021-45675

Medium

Published: 26 December 2021

Published
26 December 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.8 CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:L/A:N
EPSS Score 0.0019 40.1th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-45675 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Netgear R6120 Firmware. Its CVSS base score is 5.8 (Medium).

Operationally, ranked at the 40.1th 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 R6120 before 1.0.0.76, R6260 before 1.1.0.78, R6850 before 1.1.0.78, R6350 before 1.1.0.78, R6330 before 1.1.0.78, R6800 before 1.2.0.76, R6700v2 before 1.2.0.76, R6900v2 before 1.2.0.76, R7200 before 1.2.0.76, R7350 before 1.2.0.76,…

more

R7400 before 1.2.0.76, R7450 before 1.2.0.76, AC2100 before 1.2.0.76, AC2400 before 1.2.0.76, and AC2600 before 1.2.0.76.

CWE(s)

Related Threats

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

Affected Assets

netgear
r6120 firmware
≤ 1.0.0.76
netgear
r6260 firmware
≤ 1.1.0.78
netgear
r6850 firmware
≤ 1.1.0.78
netgear
r6350 firmware
≤ 1.1.0.78
netgear
r6330 firmware
≤ 1.1.0.78
netgear
r6800 firmware
≤ 1.2.0.76
netgear
r6700v2 firmware
≤ 1.2.0.76
netgear
r6900v2 firmware
≤ 1.2.0.76
netgear
r7200 firmware
≤ 1.2.0.76
netgear
r7350 firmware
≤ 1.2.0.76
+5 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