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CVE-2017-16727: Moxa Nport W2150a Firmware: Hard-coded credentials or backdoor
CVE-2017-16727 is rated critical with a CVSS v3.0 base score of 9.1 and NVD lists 2 affected products, including Moxa Nport W2150a Firmware. Per its scoring, it can be exploited over the network, without authentication, without any user interaction.
Vulnerability description
A Credentials Management issue was discovered in Moxa NPort W2150A versions prior to 1.11, and NPort W2250A versions prior to 1.11. The default password is empty on the device. An unauthorized user can access the device without a password. An unauthorized user has the ability to completely compromise the confidentiality and integrity of the wireless traffic.
Severity breakdown
CVSS v3.0 9.1: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- 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: None. No effect on availability.
Underlying weakness
CWE-521: Weak Password Requirements
The product does not require that users should have strong passwords.
Affected products
- Moxa Nport W2150a Firmware: before 1.11
- Moxa Nport W2250a Firmware: before 1.11