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CVE-2017-18827

18
FAUCET Score

CVE-2017-18827 describes a stored Cross-Site Scripting (XSS) vulnerability affecting several NETGEAR M4300 and M4200 series devices running firmware versions prior to 12.0.2.15. This medium-severity vulnerability (CVSS 4.8) requires high privileges and user interaction for an attacker to inject malicious scripts, potentially leading to limited confidentiality and integrity impacts. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 12.0.2.15CPE matchmatch criteria
cpe:2.3:o:netgear:m4300-28g_firmware:*:*:*:*:*:*:*:*
< 12.0.2.15CPE matchmatch criteria
cpe:2.3:o:netgear:m4300-52g_firmware:*:*:*:*:*:*:*:*
< 12.0.2.15CPE matchmatch criteria
cpe:2.3:o:netgear:m4300-28g-poe\+_firmware:*:*:*:*:*:*:*:*
< 12.0.2.15CPE matchmatch criteria
cpe:2.3:o:netgear:m4300-52g-poe\+_firmware:*:*:*:*:*:*:*:*
< 12.0.2.15CPE matchmatch criteria
cpe:2.3:o:netgear:m4300-8x8f_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.2MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
1.1
Impact Score
3.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 50th percentile among its peer group of 4,937 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 0.0 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 / 000049038/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Fully-Managed-Switches-PSV-2017-1939
Vendor Advisory