Cyber Resilience

CVE-2021-45525

Medium

Published: 26 December 2021

Published
26 December 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.1 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
EPSS Score 0.0022 44.9th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-45525 is a medium-severity Classic Buffer Overflow (CWE-120) vulnerability in Netgear Ex7000 Firmware. Its CVSS base score is 6.1 (Medium).

Operationally, ranked at the 44.9th 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 EX7000 before 1.0.1.80, R6400 before 1.0.1.50, R6400v2 before 1.0.4.118, R6700 before 1.0.2.8, R6700v3 before 1.0.4.118, R6900 before 1.0.2.8, R6900P before 1.3.2.124, R7000 before 1.0.9.88, R7000P…

more

before 1.3.2.124, R7900 before 1.0.3.18, R7900P before 1.4.1.50, R8000 before 1.0.4.46, R8000P before 1.4.1.50, RAX80 before 1.0.1.56, 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
ex7000 firmware
≤ 1.0.1.80
netgear
r6400 firmware
≤ 1.0.1.50
netgear
r6400v2 firmware
≤ 1.0.4.118
netgear
r6700 firmware
≤ 1.0.2.8
netgear
r6700v3 firmware
≤ 1.0.4.118
netgear
r6900 firmware
≤ 1.0.2.8
netgear
r6900p firmware
≤ 1.3.2.124
netgear
r7000 firmware
≤ 1.0.9.88
netgear
r7000p firmware
≤ 1.3.2.124
netgear
r7900 firmware
≤ 1.0.3.18
+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.

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