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CVE-2022-27644

HIGHCVSS 8.8/10EPSS 0.34%

Last modified

CVE-2022-27644 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. This vulnerability allows network-adjacent attackers to compromise the integrity of downloaded information on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Authentication is not required to exploit this vulnerability. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

This vulnerability allows network-adjacent attackers to compromise the integrity of downloaded information on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the downloading of files via HTTPS. The issue results from the lack of proper validation of the certificate presented by the server. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-15797.

Metrics

CVSS 3.1
8.8/10

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

EPSS Probability
0.34%

25.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NetgearR6400 Firmware< 1.0.4.126
NetgearR6700 Firmware< 1.0.4.126
NetgearR6900p Firmware< 1.3.3.148
NetgearR7000 Firmware< 1.0.11.134
NetgearR7000p Firmware< 1.3.3.148
NetgearR7850 Firmware< 1.0.5.84
NetgearR7960p Firmware< 1.4.3.88
NetgearR8000 Firmware< 1.0.4.84
NetgearR8000p Firmware< 1.4.3.88
NetgearRax200 Firmware< 1.0.6.138
NetgearRax75 Firmware< 1.0.6.138
NetgearRax80 Firmware< 1.0.6.138
NetgearRs400 Firmware< 1.5.1.86
NetgearCbr40 Firmware< 2.5.0.28
NetgearLbr1020 Firmware< 2.7.4.2
NetgearLbr20 Firmware< 2.7.4.2
NetgearRbr10 Firmware< 2.7.4.24
NetgearRbr20 Firmware< 2.7.4.24
NetgearRbr40 Firmware< 2.7.4.24
NetgearRbr50 Firmware< 2.7.4.24
NetgearRbs10 Firmware< 2.7.4.24
NetgearRbs20 Firmware< 2.7.4.24
NetgearRbs40 Firmware< 2.7.4.24
NetgearRbs50 Firmware< 2.7.4.24

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-27644?
This vulnerability allows network-adjacent attackers to compromise the integrity of downloaded information on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the downloading of files via HTTPS. The issue results from the lack of proper validation of the certificate presented by the server. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-15797.
How severe is CVE-2022-27644?
CVE-2022-27644 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.
How do I fix CVE-2022-27644?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-27644?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST