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CVE-2018-16199: Toshiba Home gateway firmware can run attacker code

CVE-2018-16199 · published 7 years ago

Summary

The HEM-GW16A and HEM-GW26A routers (firmware version 1.2.9 and earlier) can be tricked into executing malicious web scripts or HTML. This could let a remote attacker display false information, steal data, or take control of the web interface. Update the router firmware to the latest version or apply the vendor's security patch as soon as possible.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software

Vendor	Product	Affected versions
toshiba	hem-gw16a_firmware	<= 1.2.9 `cpe:2.3:o:toshiba:hem-gw16a_firmware::::::::`
toshiba	hem-gw26a_firmware	<= 1.2.9 `cpe:2.3:o:toshiba:hem-gw26a_firmware::::::::`

Original advisory text

Cross-site scripting vulnerability in Toshiba Home gateway HEM-GW16A 1.2.9 and earlier, Toshiba Home gateway HEM-GW26A 1.2.9 and earlier allows an remote attacker to inject arbitrary web script or ...

References

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

Fix within

Internet-facing 60 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit (estimated)
Gives an attacker partial control (estimated)

Severity

6.1 Medium

Exploitation

<1% chance of attack within 30 days

Type

CWE-79Cross-site Scripting (XSS)

Timeline

Published9 Jan 2019

Updated4 Nov 2026

First seen29 Sep 2026

Sources

CVE-2018-16199 · NVD

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