Cyber Resilience

CVE-2021-45529

High

Published: 26 December 2021

Published
26 December 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.3 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:H
EPSS Score 0.0017 38.1th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-45529 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Netgear Cbr40 Firmware. Its CVSS base score is 7.3 (High).

Operationally, ranked at the 38.1th 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 a buffer overflow by an authenticated user. This affects CBR40 before 2.3.5.12, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, R6400 before 1.0.1.70, R7000 before 1.0.11.126, R6900P before 1.3.2.124, R7000P before 1.3.2.124, R7900 before 1.0.4.30, R8000…

more

before 1.0.4.52, and WNR3500Lv2 before 1.2.0.62.

CWE(s)

Related Threats

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

Affected Assets

netgear
cbr40 firmware
≤ 2.3.5.12
netgear
d7000v2 firmware
≤ 1.0.0.66
netgear
d8500 firmware
≤ 1.0.3.58
netgear
r6400 firmware
≤ 1.0.1.70
netgear
r7000 firmware
≤ 1.0.11.126
netgear
r7000p firmware
≤ 1.3.2.124
netgear
r6900p firmware
≤ 1.3.2.124
netgear
r7900 firmware
≤ 1.0.4.30
netgear
r8000 firmware
≤ 1.0.4.52
netgear
wnr3500lv2 firmware
≤ 1.2.0.62

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-120

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

References