How severe is CVE-2018-16201?

CVE-2018-16201 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-16201 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16201?

CVE-2018-16201 primarily affects Toshiba Hem-gw16a Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-16201?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-16201 published?

CVE-2018-16201 was published on 2019-01-09 and last updated on 2026-06-17.

CVE-2018-16201

CVE-2018-16201 is a high-severity vulnerability in Toshiba Hem-gw16a Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 8.3
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Toshiba Hem-gw16a Firmware
Published: 2019-01-09
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2018-16201?: 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.
How severe is CVE-2018-16201?: CVE-2018-16201 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-16201 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16201?: CVE-2018-16201 primarily affects Toshiba Hem-gw16a Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-16201?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-16201 published?: CVE-2018-16201 was published on 2019-01-09 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:toshiba:hem-gw16a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:toshiba:hem-gw26a_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Toshiba Hem-gw16a Firmware

CVE-2017-2237 — Critical (CVSS 9.8): Toshiba Home gateway HEM-GW16A firmware HEM-GW16A-FW-V1.2.0 and earlier. Toshiba Home gateway HEM-GW26A firmware…
CVE-2017-2236 — Critical (CVSS 9.8): Toshiba Home gateway HEM-GW16A firmware HEM-GW16A-FW-V1.2.0 and earlier, Toshiba Home gateway HEM-GW26A firmware…
CVE-2017-2235 — Critical (CVSS 9.8): Toshiba Home gateway HEM-GW16A firmware HEM-GW16A-FW-V1.2.0 and earlier. Toshiba Home gateway HEM-GW26A firmware…
CVE-2017-2234 — Critical (CVSS 9.8): Toshiba Home gateway HEM-GW16A firmware HEM-GW16A-FW-V1.2.0 and earlier, Toshiba Home gateway HEM-GW26A firmware…
CVE-2018-16200 — High (CVSS 8.8): Toshiba Home gateway HEM-GW16A 1.2.9 and earlier, Toshiba Home gateway HEM-GW26A 1.2.9 and earlier allows an attacker…
CVE-2018-16198 — High (CVSS 8.8): Toshiba Home gateway HEM-GW16A 1.2.9 and earlier, Toshiba Home gateway HEM-GW26A 1.2.9 and earlier may allow an…

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