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CVE-2018-18008: spaces.htm on multiple D-Link devices (DSL, DIR, DWR) allows remote unauthenticated attackers to discover…

CVE-2018-18008 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists 7 affected products, including D-Link Dsl 2770l 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

spaces.htm on multiple D-Link devices (DSL, DIR, DWR) allows remote unauthenticated attackers to discover admin credentials.

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

  • D-Link Dsl 2770l Firmware: me_1.01; me_1.02; me_1.06
  • D-Link Dir 140l Firmware: 1.00; 1.01ru; 1.02
  • D-Link Dir 640l Firmware: 1.00; 1.01ru; 1.02
  • D-Link Dwr 116 Firmware: 1.03; 1.05; 2.01; 2.02
  • D-Link Dwr 512 Firmware: 1.03; 1.05; 2.01; 2.02
  • D-Link Dwr 555 Firmware: 1.03; 1.05; 2.01; 2.02
  • D-Link Dwr 921 Firmware: 1.03; 1.05; 2.01; 2.02

References