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CVE-2021-45657

20
FAUCET Score

CVE-2021-45657 describes a server-side injection vulnerability impacting numerous NETGEAR router and mesh WiFi system models, including D6200, D7000, R6020, and various Orbi series devices. This vulnerability carries a CVSS v3.1 score of 7.8 (High), indicating a significant risk due to its potential for high confidentiality, integrity, and availability impact through local, low-privilege attacks. While the vulnerability is severe, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage. Organizations should prioritize patching affected devices to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.1.00.38CPE matchmatch criteria
cpe:2.3:o:netgear:d6200_firmware:*:*:*:*:*:*:*:*
< 1.0.1.78CPE matchmatch criteria
cpe:2.3:o:netgear:d7000_firmware:*:*:*:*:*:*:*:*
< 1.0.0.48CPE matchmatch criteria
cpe:2.3:o:netgear:r6020_firmware:*:*:*:*:*:*:*:*
< 1.0.0.48CPE matchmatch criteria
cpe:2.3:o:netgear:r6080_firmware:*:*:*:*:*:*:*:*
< 1.0.1.26CPE matchmatch criteria
cpe:2.3:o:netgear:r6050_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.34%
Probability of exploitation in next 30 days
EPSS Percentile
26.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0034 is in the 64th percentile among its peer group of 17,070 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 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 0.3 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 / 000064067/Security-Advisory-for-Server-Side-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2019-0141
PatchVendor Advisory