Cyber Resilience

CVE-2021-45623

High

Published: 26 December 2021

Published
26 December 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
EPSS Score 0.0161 82.2th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-45623 is a high-severity Command Injection (CWE-77) vulnerability in Netgear R7800 Firmware. Its CVSS base score is 8.3 (High).

Operationally, ranked in the top 17.8% 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 command injection by an unauthenticated attacker. This affects R7800 before 1.0.2.74, R9000 before 1.0.5.2, and XR500 before 2.3.2.66.

CWE(s)

Related Threats

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

Affected Assets

netgear
r7800 firmware
≤ 1.0.2.74
netgear
r9000 firmware
≤ 1.0.5.2
netgear
xr500 firmware
≤ 2.3.2.66

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References