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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.009 (57.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-22-518/ (VDB Entry, Third Party Advisory)
- kb.netgear.com/000064723/Security-Advisory-for-Multiple-Vulnerabilities-on-Mult… (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.