What’s Vulnerable › Vulnerabilities
CVE-2022-27645
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-03-29 · updated 2026-06-17
- Weakness: CWE-306
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.
Affected products
- NETGEAR Lax20 Firmware: before 1.1.6.34 — fixed in 1.1.6.34
- NETGEAR R6400 Firmware: before 1.0.4.126 — fixed in 1.0.4.126
- NETGEAR R6700: before 1.0.4.126 — fixed in 1.0.4.126
- NETGEAR R7000: before 1.0.11.134 — fixed in 1.0.11.134
- NETGEAR R7850 Firmware: before 1.0.5.84 — fixed in 1.0.5.84
- NETGEAR R7900P Firmware: before 1.4.3.88 — fixed in 1.4.3.88
- NETGEAR R7960P Firmware: before 1.4.3.88 — fixed in 1.4.3.88
- NETGEAR R8000 Firmware: before 1.0.4.84 — fixed in 1.0.4.84
- NETGEAR R8000P Firmware: before 1.4.3.88 — fixed in 1.4.3.88
- NETGEAR R8500 Firmware: before 1.0.2.158 — fixed in 1.0.2.158
- NETGEAR Rax15 Firmware: before 1.0.10.110 — fixed in 1.0.10.110
- NETGEAR Rax200 Firmware: before 1.0.6.138 — fixed in 1.0.6.138
- NETGEAR Rax20 Firmware: before 1.0.10.110 — fixed in 1.0.10.110
- NETGEAR Rax35 Firmware: before 1.0.10.110 — fixed in 1.0.10.110
- NETGEAR Rax38 Firmware: before 1.0.10.110 — fixed in 1.0.10.110
- NETGEAR Rax40 Firmware: before 1.0.10.110 — fixed in 1.0.10.110
- NETGEAR Rax42 Firmware: before 1.0.10.110 — fixed in 1.0.10.110
- Netgear RAX43: before 1.0.10.110 — fixed in 1.0.10.110
- NETGEAR Rax45 Firmware: before 1.0.10.110 — fixed in 1.0.10.110
- NETGEAR Rax48 Firmware: before 1.0.10.110 — fixed in 1.0.10.110
- NETGEAR Rax50 Firmware: before 1.0.10.110 — fixed in 1.0.10.110
- NETGEAR Rax50S Firmware: before 1.0.10.110 — fixed in 1.0.10.110
- NETGEAR Rax75 Firmware: before 1.0.6.138 — fixed in 1.0.6.138
How to fix
Upgrade to a fixed version: NETGEAR Lax20 Firmware 1.1.6.34; NETGEAR R6400 Firmware 1.0.4.126; NETGEAR R6700 1.0.4.126; NETGEAR R7000 1.0.11.134; NETGEAR R7850 Firmware 1.0.5.84; NETGEAR R7900P Firmware 1.4.3.88; NETGEAR R7960P Firmware 1.4.3.88; NETGEAR R8000 Firmware 1.0.4.84; NETGEAR R8000P Firmware 1.4.3.88; NETGEAR R8500 Firmware 1.0.2.158; NETGEAR Rax15 Firmware 1.0.10.110; NETGEAR Rax200 Firmware 1.0.6.138. Check the vendor advisory for mitigations.
References
- https://kb.netgear.com/000064722/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-Routers-and-Fixed-Wireless-Products-PSV-2021-0325
- https://www.zerodayinitiative.com/advisories/ZDI-22-522/
- https://kb.netgear.com/000064722/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-Routers-and-Fixed-Wireless-Products-PSV-2021-0325
- https://www.zerodayinitiative.com/advisories/ZDI-22-522/
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