What is CVE-2022-27647?

CVE-2022-27647 is a high-severity vulnerability in NETGEAR Cax80, classified under OS Command Injection. CVSS score: 8.0/10. Published 2023-03-29.

How severe is CVE-2022-27647?

High severity. CVSS v3 base score is 8.0 out of 10.

RCE in NETGEAR Cax80

CVE-2022-27647

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of the name or email field provided to libreadycloud.so. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15874.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.015 (71.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

zdi-disclosures@trendmicro.com (Vendor Advisory)
zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2022-27647?: CVE-2022-27647 is a high-severity vulnerability in NETGEAR Cax80, classified under OS Command Injection. CVSS score: 8.0/10. Published 2023-03-29.
How severe is CVE-2022-27647?: High severity. CVSS v3 base score is 8.0 out of 10.