How severe is CVE-2017-2234?

CVE-2017-2234 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-2234 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-2234?

CVE-2017-2234 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-2017-2234?

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

When was CVE-2017-2234 published?

CVE-2017-2234 was published on 2017-07-07 and last updated on 2026-06-17.

CVE-2017-2234

CVE-2017-2234 is a critical-severity vulnerability in Toshiba Hem-gw16a Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Toshiba Hem-gw16a Firmware
Published: 2017-07-07
Last modified: 2026-06-17

Description

Toshiba Home gateway HEM-GW16A firmware HEM-GW16A-FW-V1.2.0 and earlier, Toshiba Home gateway HEM-GW26A firmware HEM-GW26A-FW-V1.2.0 and earlier may allow remote attackers to access a non-documented developer screen to perform operations on device with administrative privileges.

Frequently asked questions

What is CVE-2017-2234?: Toshiba Home gateway HEM-GW16A firmware HEM-GW16A-FW-V1.2.0 and earlier, Toshiba Home gateway HEM-GW26A firmware HEM-GW26A-FW-V1.2.0 and earlier may allow remote attackers to access a non-documented developer screen to perform operations on device with administrative privileges.
How severe is CVE-2017-2234?: CVE-2017-2234 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-2234 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-2234?: CVE-2017-2234 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-2017-2234?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-2234 published?: CVE-2017-2234 was published on 2017-07-07 and last updated on 2026-06-17.

References

http://jvn.jp/en/jp/JVN85901441/index.html

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-2018-16201 — High (CVSS 8.8): Toshiba Home gateway HEM-GW16A 1.2.9 and earlier, Toshiba Home gateway HEM-GW26A 1.2.9 and earlier uses hard-coded…
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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