Cyber Resilience

CVE-2021-45606

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 0.0028 51.6th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-45606 is a medium-severity Out-of-bounds Write (CWE-787) vulnerability in Netgear R6400 Firmware. Its CVSS base score is 4.5 (Medium).

Operationally, ranked in the top 48.4% 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 stack-based buffer overflow by an authenticated user. This affects R6400 before 1.0.1.70, R7000 before 1.0.11.126, R7900 before 1.0.4.46, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.74, R8000P before 1.4.2.84, RAX200 before 1.0.4.120,…

more

RS400 before 1.5.1.80, R6400v2 before 1.0.4.118, R7000P before 1.3.3.140, RAX80 before 1.0.4.120, R6700v3 before 1.0.4.118, R6900P before 1.3.3.140, and RAX75 before 1.0.4.120.

CWE(s)
CWE-787

Related Threats

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

Affected Assets

netgear
r6400 firmware
≤ 1.0.1.70
netgear
r7000 firmware
≤ 1.0.11.126
netgear
r7900 firmware
≤ 1.0.4.46
netgear
r7900p 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
r7000p firmware
≤ 1.3.3.140
netgear
r6900p firmware
≤ 1.3.3.140
netgear
r6700v3 firmware
≤ 1.0.4.118
+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.

SI-16 Memory Protection
addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References