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Vulnerability record · CVE-2022-27645 · published 29 March 2023

CVE-2022-27645: Netgear lax20 firmware missing authentication for critical function vulnerability

Netgear · Lax20 Firmware

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.

8.8 CVSS 3.1 High EPSS 1.3% · top 30.9% CWE-306 · Missing authentication for critical functionCWE-697 · CWE-697
8.8CVSS 3.1 base score
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
23Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

23 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://kb.netgear.com/000064722/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-Routers-and-Fixed-Wirele Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-522/ Third Party AdvisoryVDB Entry
https://kb.netgear.com/000064722/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-Routers-and-Fixed-Wirele Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-522/ Third Party AdvisoryVDB Entry

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-27645), CISA KEV, FIRST EPSS (scores of 2026-10-10). This page is refreshed as NVD updates the record.