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CVE-2021-45679

24
FAUCET Score

CVE-2021-45679 is a privilege escalation vulnerability affecting several NETGEAR router models, including the R6900P, R7000, R7000P, and RS400, in specific firmware versions. Rated 7.2 HIGH, this vulnerability allows a highly privileged network attacker to achieve full compromise (confidentiality, integrity, availability) with low attack complexity. While no public exploits or active exploitation have been observed, and community discussion is minimal, affected organizations should update their firmware to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.3.3.140CPE matchmatch criteria
cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*
< 1.0.11.126CPE matchmatch criteria
cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*
< 1.3.3.140CPE matchmatch criteria
cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*
< 1.5.1.80CPE matchmatch criteria
cpe:2.3:o:netgear:rs400_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
0.96%
Probability of exploitation in next 30 days
EPSS Percentile
57.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0096 is in the 44th percentile among its peer group of 5,537 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 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 / 000064528/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Routers-PSV-2021-0043
Vendor Advisory