Cyber Resilience

CVE-2021-45523

Medium

Published: 26 December 2021

Published
26 December 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0019 41.3th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-45523 is a medium-severity Classic Buffer Overflow (CWE-120) vulnerability in Netgear R7000 Firmware. Its CVSS base score is 5.7 (Medium).

Operationally, ranked at the 41.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

NETGEAR R7000 devices before 1.0.9.42 are affected by a buffer overflow by an authenticated user.

CWE(s)

Related Threats

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

Affected Assets

netgear
r7000 firmware
≤ 1.0.9.42

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