Skip to content
Fencer Intel
high 8.8

CVE-2022-27645 json

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6700v3 routers.

published 3y ago modified 4mo ago also EUVD-2022-32146

cvss
8.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

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.

Patch / fix

  • 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
  • netgear r8000p_firmware 1.4.3.88
  • netgear r8500_firmware 1.0.2.158
  • netgear rax15_firmware 1.0.10.110
  • netgear rax20_firmware 1.0.10.110
  • netgear rax200_firmware 1.0.6.138
  • netgear rax35_firmware 1.0.10.110
  • netgear rax38_firmware 1.0.10.110
  • netgear rax40_firmware 1.0.10.110
  • netgear rax42_firmware 1.0.10.110
  • netgear rax43_firmware 1.0.10.110
  • netgear rax45_firmware 1.0.10.110
  • netgear rax48_firmware 1.0.10.110

Is CVE-2022-27645 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
last yr.

Exploit prediction

1.28% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 8.8 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • NETGEAR R6700v3

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality
  • CWE-697 Incorrect Comparison

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.