Cyber Resilience

CVE-2021-45609

Critical

Published: 26 December 2021

Published
26 December 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 9.6 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0034 57.2th percentile
Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-45609 is a critical-severity Classic Buffer Overflow (CWE-120) vulnerability in Netgear D8500 Firmware. Its CVSS base score is 9.6 (Critical).

Operationally, ranked in the top 42.8% 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 unauthenticated attacker. This affects D8500 before 1.0.3.58, R6250 before 1.0.4.48, R7000 before 1.0.11.116, R7100LG before 1.0.0.64, R7900 before 1.0.4.38, R8300 before 1.0.2.144, R8500 before 1.0.2.144, XR300 before 1.0.3.68, R7000P…

more

before 1.3.2.132, and R6900P before 1.3.2.132.

CWE(s)
CWE-120

Related Threats

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

Affected Assets

netgear
d8500 firmware
≤ 1.0.3.58
netgear
r6250 firmware
≤ 1.0.4.48
netgear
r7000 firmware
≤ 1.0.11.116
netgear
r7000p firmware
≤ 1.3.2.132
netgear
r6900p firmware
≤ 1.3.2.132
netgear
r7900 firmware
≤ 1.0.4.38
netgear
r8300 firmware
≤ 1.0.2.144
netgear
r8500 firmware
≤ 1.0.2.144
netgear
r7100lg firmware
≤ 1.0.0.64
netgear
xr300 firmware
≤ 1.0.3.68

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