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CVE-2016-6553: Nuuo Nt 4040 Titan Firmware: Hard-coded credentials or backdoor

CVE-2016-6553 is rated critical with a CVSS v3.0 base score of 9.8 and affects Nuuo Nt 4040 Titan 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

Nuuo NT-4040 Titan, firmware NT-4040_01.07.0000.0015_1120, uses non-random default credentials of: admin:admin and localdisplay:111111. A remote network attacker can gain privileged access to a vulnerable device.

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.

Affected products

  • Nuuo Nt 4040 Titan Firmware: nt-4040_01.07.0000.0015_1120

References