HOMEVULNERABILITIESCVE-2017-18730
HIGH

CVE-2017-18730

CWE-787Published: April 24, 2020· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6200 before 1.1.00.24, R6020 before 1.0.0.30, R6080 before 1.0.0.30, R6120 before 1.0.0.36, R6700v2 before 1.1.0.42, R6800 before 1.1.0.42, and R6900v2 before 1.1.0.42.

NVD Source

Technical Analysis

CVE-2017-18730 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

netgear14 product(s)
d6200 firmwared6200r6020 firmwarer6020r6080 firmwarer6080r6120 firmwarer6120r6700 firmwarer6700r6800 firmwarer6800+2
Source: NVD CPE · 14 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://kb.netgear.com/000051525/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2134
ADVISORYhttps://kb.netgear.com/000051525/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2134

All References (2)

→
https://kb.netgear.com/000051525/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2134Vendor Advisory
→
https://kb.netgear.com/000051525/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2134Vendor Advisory

Quick Facts

CVE IDCVE-2017-18730
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-787
CISA KEVNo
Affected1 vendor(s)
PublishedApr 24, 2020

Related CVEs (CWE-787)

CVE-2015-5096
10.0
CVE-2015-5105
10.0
CVE-2012-0751
10.0
CVE-2026-4746
10.0
CVE-2014-1478
10.0
CVE-2015-5098
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-18730 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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