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CVE-2021-45537

18
FAUCET Score

CVE-2021-45537 is a command injection vulnerability affecting several NETGEAR router and mesh WiFi systems, including specific versions of the RAX200, RAX75, RAX80, RBK752, RBR750, RBS750, RBK852, RBR850, and RBS850. This flaw allows an authenticated attacker on the adjacent network to execute arbitrary commands with high impact on confidentiality, integrity, and availability. Rated as MEDIUM severity with a CVSS score of 6.8, it requires high privileges for exploitation and has a low attack complexity. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.3.106CPE matchmatch criteria
cpe:2.3:o:netgear:rax200_firmware:*:*:*:*:*:*:*:*
< 1.0.3.106CPE matchmatch criteria
cpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:*
< 1.0.3.106CPE matchmatch criteria
cpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:h:netgear:rbk752:-:*:*:*:*:*:*:*
< 3.2.16.6CPE matchmatch criteria
cpe:2.3:o:netgear:rbr750_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
0.63%
Probability of exploitation in next 30 days
EPSS Percentile
46.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0063 is in the 51st 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 / 000064083/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0061
Vendor Advisory