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CVE-2021-45587

18
FAUCET Score

CVE-2021-45587 describes a command injection vulnerability affecting specific NETGEAR Orbi mesh WiFi systems (RBK752, RBR750, RBS750, RBK852, RBR850, RBS850) running firmware versions prior to 3.2.16.6. This flaw allows an authenticated user to execute arbitrary commands on the device. Rated with a CVSS score of 6.8 (Medium), the vulnerability requires high privileges (authenticated user) and local network access (adjacent attack vector) to achieve high impact on confidentiality, integrity, and availability. The attack complexity is low, as no user interaction is required. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE. It is not listed on CISA's Known Exploited Vulnerabilities catalog.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.2.16.6CPE matchmatch criteria
cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:*
< 3.2.16.6CPE matchmatch criteria
cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:*
< 3.2.16.6CPE matchmatch criteria
cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:*
< 3.2.16.6CPE matchmatch criteria
cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:*
< 3.2.16.6CPE matchmatch criteria
cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.4HIGH

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.7
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.75%
Probability of exploitation in next 30 days
EPSS Percentile
51.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0075 is in the 69th percentile among its peer group of 399 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, 0.0 Mastodon, and 0.1 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 / 000064109/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0095
Vendor Advisory