HOMEVULNERABILITIESCVE-2017-18864
HIGH

CVE-2017-18864

CWE-120Published: May 5, 2020· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects R6400 before 1.0.1.24, R6400v2 before 1.0.2.32, R6700 before 1.0.1.22, R6900 before 1.0.1.22, R7000 before 1.0.9.4, R7000P before 1.0.0.56, R6900P before 1.0.0.56, R7100LG before 1.0.0.32, R7300 before 1.0.0.54, R7900 before 1.0.1.18, R8300 before 1.0.2.104, and R8500 before 1.0.2.104.

NVD Source

Technical Analysis

CVE-2017-18864 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.

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

netgear22 product(s)
r6400 firmwarer6400r6700 firmwarer6700r6900 firmwarer6900r6900p firmwarer6900pr7000 firmwarer7000r7000p firmwarer7000p+10
Source: NVD CPE · 23 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/000051495/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Routers-PSV-2017-0791
ADVISORYhttps://kb.netgear.com/000051495/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Routers-PSV-2017-0791

All References (2)

→
https://kb.netgear.com/000051495/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Routers-PSV-2017-0791Vendor Advisory
→
https://kb.netgear.com/000051495/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Routers-PSV-2017-0791Vendor Advisory

Quick Facts

CVE IDCVE-2017-18864
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-120
CISA KEVNo
Affected1 vendor(s)
PublishedMay 5, 2020

Related CVEs (CWE-120)

CVE-2021-33975
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CVE-2021-33972
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CVE-2001-0554
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CVE-1999-0385
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CVE-2024-25139
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CVE-2002-1337
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Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-18864 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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