Home/CVE/This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6700
CVE

CVE-2022-27645

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6700

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.

HIGH · CVSS 8.8 EPSS 0.00081
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-306Missing Authentication for Critical Function
CWE-697Incorrect Comparison
▤

Affected Products & Versions

23
netgear lax20 firmware< 1.1.6.34
netgear r6400 firmware< 1.0.4.126
netgear r6700 firmware< 1.0.4.126
netgear r7000 firmware< 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
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · zdi-disclosures@trendmicro.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD29 Mar 2023 · 07:15 PM
CVSS VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://kb.netgear.com/000064722/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-Routers-and-Fixed-Wireless-Products-PSV-2021-0325Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-522/Third Party AdvisoryVDB Entry
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