What is CVE-2021-45623?

CVE-2021-45623 is a high-severity vulnerability in NETGEAR R7800, classified under Command Injection. CVSS score: 8.3/10. Published 2021-12-26.

How severe is CVE-2021-45623?

High severity. CVSS v3 base score is 8.3 out of 10.

RCE in NETGEAR R7800

CVE-2021-45623

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.017 (74.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L.

Affected products

Netgear R7800
Netgear R7800_firmware
Netgear R9000
Netgear R9000_firmware
Netgear Xr500
Netgear Xr500_firmware
N/a — versions n/a

Weakness classification (CWE)

CWE-77 — Command Injection

References

cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-45623?: CVE-2021-45623 is a high-severity vulnerability in NETGEAR R7800, classified under Command Injection. CVSS score: 8.3/10. Published 2021-12-26.
How severe is CVE-2021-45623?: High severity. CVSS v3 base score is 8.3 out of 10.