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CVE-2016-2231: Huawei Mt882 Firmware: Denial of service

CVE-2016-2231 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists Huawei Mt882 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 Windows-based Host Interface Program (WHIP) service on Huawei SmartAX MT882 devices V200R002B022 Arg relies on the client to send a length field that is consistent with a buffer size, which allows remote attackers to cause a denial of service (device outage) or possibly have unspecified other impact via crafted traffic on TCP port 8701.

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

  • Huawei Mt882 Firmware: up to and including v200r002b022

References