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CVE-2021-45583

22
FAUCET Score

CVE-2021-45583 is a command injection vulnerability affecting several NETGEAR Orbi mesh WiFi systems (RBK752, RBR750, RBS750, RBK852, RBR850, RBS850) running firmware versions prior to 3.2.16.6. An authenticated attacker on the local network can exploit this flaw to execute arbitrary commands with high impact on confidentiality, integrity, and availability. Rated as Medium severity with a CVSS score of 6.8, this vulnerability requires high privileges and low attack complexity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

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
0.58%
Probability of exploitation in next 30 days
EPSS Percentile
44.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0058 is in the 39th percentile among its peer group of 399 CVEs.

Social Chatter

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 / 000064105/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0091
Vendor Advisory