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CVE-2022-27641

27
FAUCET Score

CVE-2022-27641 is a critical vulnerability affecting NETGEAR R6700v3 1.0.4.120_10.0.91 routers, allowing network-adjacent attackers to execute arbitrary code without authentication. The flaw stems from an integer overflow in the NetUSB module due to improper validation of user-supplied data. With a CVSS score of 8.8 (High), this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to full compromise of the device with root privileges. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.1.68CPE matchmatch criteria
cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:*
< 1.0.1.90CPE matchmatch criteria
cpe:2.3:o:netgear:ex6200_firmware:*:*:*:*:*:*:*:*
< 1.0.1.240CPE matchmatch criteria
cpe:2.3:o:netgear:ex8000_firmware:*:*:*:*:*:*:*:*
< 1.1.0.112CPE matchmatch criteria
cpe:2.3:o:netgear:r6220_firmware:*:*:*:*:*:*:*:*
< 1.1.0.112CPE matchmatch criteria
cpe:2.3:o:netgear:r6230_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.24%
Probability of exploitation in next 30 days
EPSS Percentile
66.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0124 is in the 81st percentile among its peer group of 1,859 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

kb.netgear.com / 000064437/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Multiple-Products-PSV-2021-0278
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-22-544
Third Party AdvisoryVDB Entry