Cyber Resilience

CVE-2021-45607

Medium

Published: 26 December 2021

Published
26 December 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.8 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0030 53.6th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-45607 is a medium-severity Out-of-bounds Write (CWE-787) vulnerability in Netgear R6400V2 Firmware. Its CVSS base score is 6.8 (Medium).

Operationally, ranked in the top 46.4% 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 R6400v2 before 1.0.4.118, R6700v3 before 1.0.4.118, R6900P before 1.3.3.140, R7000 before 1.0.11.126, R7000P before 1.3.3.140, RAX200 before 1.0.5.126, RAX75 before 1.0.5.126, and RAX80 before…

more

1.0.5.126.

CWE(s)

Related Threats

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

Affected Assets

netgear
r6400v2 firmware
≤ 1.0.4.118
netgear
r6700v3 firmware
≤ 1.0.4.118
netgear
r6900p firmware
≤ 1.3.3.140
netgear
r7000 firmware
≤ 1.0.11.126
netgear
r7000p firmware
≤ 1.3.3.140
netgear
rax200 firmware
≤ 1.0.5.126
netgear
rax75 firmware
≤ 1.0.5.126
netgear
rax80 firmware
≤ 1.0.5.126

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-787

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

References