HOMEVULNERABILITIESCVE-2018-0665
MEDIUM

CVE-2018-0665

NVD-CWE-noinfoPublished: January 9, 2019· Updated: Jun 17, 2026

6.8
CVSS v3.1

Official Description

Yamaha routers RT57i Rev.8.00.95 and earlier, RT58i Rev.9.01.51 and earlier, NVR500 Rev.11.00.36 and earlier, RTX810 Rev.11.01.31 and earlier, allow an administrative user to embed arbitrary scripts to the configuration data through a certain form field of the configuration page, which may be executed on another administrative user's web browser. This is a different vulnerability from CVE-2018-0666.

NVD Source

Technical Analysis

CVE-2018-0665 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

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 6.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

yamaha8 product(s)
rt57i firmwarert57irt58i firmwarert58invr500 firmwarenvr500rtx810 firmwarertx810
Source: NVD CPE · 8 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

ADVISORYhttp://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN69967692.html
ADVISORYhttps://flets-w.com/solution/kiki_info/info/180829.html
ADVISORYhttps://jvn.jp/en/jp/JVN69967692/index.html
ADVISORYhttps://web116.jp/ced/support/news/contents/2018/20180829b.html
ADVISORYhttp://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN69967692.html
ADVISORYhttps://flets-w.com/solution/kiki_info/info/180829.html
ADVISORYhttps://jvn.jp/en/jp/JVN69967692/index.html
ADVISORYhttps://web116.jp/ced/support/news/contents/2018/20180829b.html

All References (8)

→
http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN69967692.htmlThird Party Advisory
→
https://flets-w.com/solution/kiki_info/info/180829.htmlThird Party Advisory
→
https://jvn.jp/en/jp/JVN69967692/index.htmlThird Party Advisory
→
https://web116.jp/ced/support/news/contents/2018/20180829b.htmlThird Party Advisory
→
http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN69967692.htmlThird Party Advisory
→
https://flets-w.com/solution/kiki_info/info/180829.htmlThird Party Advisory
→
https://jvn.jp/en/jp/JVN69967692/index.htmlThird Party Advisory
→
https://web116.jp/ced/support/news/contents/2018/20180829b.htmlThird Party Advisory

Quick Facts

CVE IDCVE-2018-0665
CVSS Score6.8 / 10
SeverityMEDIUM
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedJan 9, 2019

Related CVEs (NVD-CWE-noinfo)

CVE-2012-5692
10.0
CVE-2008-6158
10.0
CVE-2008-4873
10.0
CVE-2017-3623
10.0
CVE-2014-2623
10.0
CVE-2009-1314
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-0665 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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