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CVE-2017-18851

23
FAUCET Score

CVE-2017-18851 describes a command injection vulnerability in several NETGEAR router models (D8500, R6400, R6400v2, R8300, R8500, R6100) that can be exploited by an authenticated user. With a CVSS score of 6.7 (Medium), this vulnerability requires high privileges for exploitation, but if successful, it allows for high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.3.28CPE matchmatch criteria
cpe:2.3:o:netgear:d8500_firmware:*:*:*:*:*:*:*:*
< 1.0.1.22CPE matchmatch criteria
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*
< 1.0.2.18CPE matchmatch criteria
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*
< 1.0.2.94CPE matchmatch criteria
cpe:2.3:o:netgear:r8300_firmware:*:*:*:*:*:*:*:*
< 1.0.2.94CPE matchmatch criteria
cpe:2.3:o:netgear:r8500_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.7MEDIUM

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.64%
Probability of exploitation in next 30 days
EPSS Percentile
47.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0064 is in the 94th percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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 / 000045850/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-Modem-Routers-PSV-2017-1207
Vendor Advisory