Cyber Resilience

CVE-2021-45530

Medium

Published: 26 December 2021

Published
26 December 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 4.5 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0055 68.3th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-45530 is a medium-severity Classic Buffer Overflow (CWE-120) vulnerability in Netgear R7000 Firmware. Its CVSS base score is 4.5 (Medium).

Operationally, ranked in the top 31.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R7000 before 1.0.11.126, R7960P before 1.4.2.84, R8000 before 1.0.4.74, RAX200 before 1.0.4.120, R8000P before 1.4.2.84, RAX20 before 1.0.2.82, RAX45 before 1.0.2.82, RAX80 before 1.0.4.120, R7900P…

more

before 1.4.2.84, RAX15 before 1.0.2.82, RAX50 before 1.0.2.82, and RAX75 before 1.0.4.120.

CWE(s)
CWE-120

Related Threats

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

Affected Assets

netgear
r7000 firmware
≤ 1.0.11.126
netgear
r7000p firmware
≤ 1.4.2.84
netgear
r7960p firmware
≤ 1.4.2.84
netgear
r8000 firmware
≤ 1.0.4.74
netgear
r8000p firmware
≤ 1.4.2.84
netgear
rax20 firmware
≤ 1.0.2.82
netgear
rax200 firmware
≤ 1.0.4.120
netgear
rax45 firmware
≤ 1.0.2.82
netgear
rax15 firmware
≤ 1.0.2.82
netgear
rax75 firmware
≤ 1.0.4.120
+2 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.

SC-27 Platform-independent Applications
addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References