HOMEVULNERABILITIESCVE-2018-16198
HIGH

CVE-2018-16198

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

8.8
CVSS v3.1

Official Description

Toshiba Home gateway HEM-GW16A 1.2.9 and earlier, Toshiba Home gateway HEM-GW26A 1.2.9 and earlier may allow an attacker on the same network segment to access a non-documented developer screen to perform operations on the affected device.

NVD Source

Technical Analysis

CVE-2018-16198 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:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

toshiba4 product(s)
hem-gw16a firmwarehem-gw16ahem-gw26a firmwarehem-gw26a
Source: NVD CPE · 4 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.tlt.co.jp/tlt/information/seihin/notice/defect/20181219/20181219.htm
ADVISORYhttps://jvn.jp/en/jp/JVN99810718/index.html
ADVISORYhttp://www.tlt.co.jp/tlt/information/seihin/notice/defect/20181219/20181219.htm
ADVISORYhttps://jvn.jp/en/jp/JVN99810718/index.html

All References (4)

→
http://www.tlt.co.jp/tlt/information/seihin/notice/defect/20181219/20181219.htmVendor Advisory
→
https://jvn.jp/en/jp/JVN99810718/index.htmlThird Party Advisory
→
http://www.tlt.co.jp/tlt/information/seihin/notice/defect/20181219/20181219.htmVendor Advisory
→
https://jvn.jp/en/jp/JVN99810718/index.htmlThird Party Advisory

Quick Facts

CVE IDCVE-2018-16198
CVSS Score8.8 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedJan 9, 2019

Related CVEs (NVD-CWE-noinfo)

CVE-2013-2463
10.0
CVE-2013-3644
10.0
CVE-2013-4611
10.0
CVE-2013-4610
10.0
CVE-2013-2459
10.0
CVE-2013-2464
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-16198 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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