Auth bypass in NETGEAR Lax20
CVE-2022-27645
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6700v3 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within readycloud_control.cgi. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15762.
Vulnerability class: Broken Authentication
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: 0.013 (69.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- NETGEAR Lax20
- NETGEAR Lax20 Firmware
- NETGEAR R6400 — versions v2
- NETGEAR R6400 Firmware
- NETGEAR R6700 — versions v3
- NETGEAR R6700 Firmware
- NETGEAR R6700v3 — versions 1.0.4.120_10.0.91
- NETGEAR R7000
- NETGEAR R7000 Firmware
- NETGEAR R7850
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-22-522/ (VDB Entry, Third Party Advisory)
- kb.netgear.com/000064722/Security-Advisory-for-Sensitive-Information-Disclosure… (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-27645?
- CVE-2022-27645 is a high-severity vulnerability in NETGEAR Lax20, classified under Missing Authentication for Critical Function. CVSS score: 8.8/10. Published 2023-03-29.
- How severe is CVE-2022-27645?
- High severity. CVSS v3 base score is 8.8 out of 10.