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CVE-2017-2236: Toshiba Hem Gw16a Firmware: Hard-coded credentials or backdoor
CVE-2017-2236 is rated critical with a CVSS v3.0 base score of 9.8 and affects Toshiba Hem Gw16a Firmware. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.
Vulnerability 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 uses hard-coded credentials, which may allow attackers to perform operations on device with administrative privileges.
Severity breakdown
CVSS v3.0 9.8: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
- Attack complexity: Low. No special conditions; the attack can be repeated reliably.
- Privileges required: None. No account or prior access is needed.
- User interaction: None. No action from any user is needed.
- Scope: Unchanged. Impact stays within the vulnerable component.
- Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
- Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
- Availability impact: High. Total loss of availability; the component can be shut down.
Underlying weakness
CWE-798: Use of Hard-coded Credentials
The product contains hard-coded credentials, such as a password or cryptographic key.
Affected products
- Toshiba Hem Gw16a Firmware: up to and including 1.2.0
- Toshiba Hem Gw26a Firmware: up to and including 1.2.0