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CVE-2017-18865

23
FAUCET Score

CVE-2017-18865 describes a stack-based buffer overflow vulnerability affecting authenticated users on NETGEAR R8300 (before 1.0.2.104) and R8500 (before 1.0.2.104) devices. With a CVSS score of 6.8 (Medium), this vulnerability allows an attacker on the adjacent network with high privileges to achieve high confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.2.104CPE matchmatch criteria
cpe:2.3:o:netgear:r8500_firmware:*:*:*:*:*:*:*:*
< 1.0.2.104CPE matchmatch criteria
cpe:2.3:o:netgear:r8300_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.8MEDIUM

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.51%
Probability of exploitation in next 30 days
EPSS Percentile
40.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0051 is in the 34th percentile among its peer group of 399 CVEs.

Social Chatter

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 / 000051485/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-R8300-and-R8500-PSV-2017-2228
Vendor Advisory