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CVE-2021-45652

19
FAUCET Score

CVE-2021-45652 is a sensitive information disclosure vulnerability impacting specific NETGEAR Orbi mesh WiFi systems, including the RBK352, RBR350, and RBS350, in firmware versions prior to 4.4.0.10. Rated High with a CVSS score of 7.5, this vulnerability can be exploited remotely without authentication or user interaction, potentially leading to unauthorized access to confidential data. While no public exploit code or active exploitation has been observed, and community discussion is minimal, affected users should update their devices immediately to mitigate the risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.4.0.10CPE matchmatch criteria
cpe:2.3:o:netgear:rbk352_firmware:*:*:*:*:*:*:*:*
< 4.4.0.10CPE matchmatch criteria
cpe:2.3:o:netgear:rbr350_firmware:*:*:*:*:*:*:*:*
< 4.4.0.10CPE matchmatch criteria
cpe:2.3:o:netgear:rbs350_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.6CRITICAL

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.05%
Probability of exploitation in next 30 days
EPSS Percentile
60.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0105 is in the 37th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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 / 000064152/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-WiFi-Systems-PSV-2021-0013
PatchVendor Advisory