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CVE-2018-16197

20
FAUCET Score

CVE-2018-16197 describes an access restriction bypass vulnerability affecting Toshiba Home gateway HEM-GW16A and HEM-GW26A devices running firmware version 1.2.9 and earlier. An attacker on the same network segment can exploit this to gain unauthorized access to information and files stored on the device. With a CVSS score of 6.5 (Medium), this vulnerability requires no user interaction and has high confidentiality impact, but no integrity or availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.2.9CPE matchmatch criteria
cpe:2.3:o:toshiba:hem-gw16a_firmware:*:*:*:*:*:*:*:*
<= 1.2.9CPE matchmatch criteria
cpe:2.3:o:toshiba:hem-gw26a_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.50%
Probability of exploitation in next 30 days
EPSS Percentile
40.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0050 is in the 61st percentile among its peer group of 1,802 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvn.jp / en/jp/JVN99810718/index.html
Third Party Advisory
tlt.co.jp / tlt/information/seihin/notice/defect/20181219/20181219.htm
Vendor Advisory