HOMEVULNERABILITIESCVE-2018-16201
HIGH

CVE-2018-16201

CWE-798Published: 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 uses hard-coded credentials, which may allow an attacker on the same network segment to login to the administrators settings screen and change the configuration or execute arbitrary OS commands.

NVD Source

Technical Analysis

CVE-2018-16201 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-2018-16201
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-798
CISA KEVNo
Affected1 vendor(s)
PublishedJan 9, 2019

Related CVEs (CWE-798)

CVE-2025-42890
10.0
CVE-2021-0248
10.0
CVE-2026-45336
10.0
CVE-2014-9198
10.0
CVE-2018-5560
10.0
CVE-2021-40519
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-16201 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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