HOMEVULNERABILITIESCVE-2022-27645
HIGH

CVE-2022-27645

CWE-306Published: March 29, 2023· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2022-27645 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

netgear46 product(s)
lax20 firmwarelax20r6400 firmwarer6400r6700 firmwarer6700r7000 firmwarer7000r7850 firmwarer7850r7900p firmwarer7900p+34
Source: NVD CPE · 46 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://kb.netgear.com/000064722/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-Routers-and-Fixed-Wireless-Products-PSV-2021-0325
ADVISORYhttps://www.zerodayinitiative.com/advisories/ZDI-22-522/
ADVISORYhttps://kb.netgear.com/000064722/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-Routers-and-Fixed-Wireless-Products-PSV-2021-0325
ADVISORYhttps://www.zerodayinitiative.com/advisories/ZDI-22-522/

All References (4)

→
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 Advisory · VDB Entry
→
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 Advisory · VDB Entry

Quick Facts

CVE IDCVE-2022-27645
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-306
CISA KEVNo
Affected1 vendor(s)
PublishedMar 29, 2023

Related CVEs (CWE-306)

CVE-2024-56799
10.0
CVE-2025-58083
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CVE-2024-42017
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CVE-2024-48966
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CVE-2025-41656
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CVE-2026-44329
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Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-27645 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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