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CVE-2016-2331: Systech Syslink Sl 1000 Modular Gateway Firmware: Hard-coded credentials or backdoor

CVE-2016-2331 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists Systech Syslink Sl 1000 Modular Gateway Firmware as the affected product. 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

The web interface on SysLINK SL-1000 Machine-to-Machine (M2M) Modular Gateway devices with firmware before 01A.8 has a default password, which makes it easier for remote attackers to obtain access via unspecified vectors.

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

  • Systech Syslink Sl 1000 Modular Gateway Firmware: all versions listed by NVD

References