What is CVE-2022-27642?

CVE-2022-27642 is a high-severity vulnerability in Netgear Cax80, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2023-03-29.

How severe is CVE-2022-27642?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Netgear Cax80

CVE-2022-27642

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the httpd service. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-15854.

Vulnerability class: Broken Access Control

EPSS: 0.009 (55.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

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

Frequently asked questions

What is CVE-2022-27642?: CVE-2022-27642 is a high-severity vulnerability in Netgear Cax80, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2023-03-29.
How severe is CVE-2022-27642?: High severity. CVSS v3 base score is 8.8 out of 10.