VULNERABILITY INTELLIGENCE

CVE-2017-16953

CVSS score7.5 HIGH
EPSS probability11.26%
CISA KEVNot currently listed
Published2017-12-01
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

connoppp.cgi on ZTE ZXDSL 831CII devices does not require HTTP Basic Authentication, which allows remote attackers to modify the PPPoE configuration or set up a malicious configuration via a GET request.

Weakness classification

  • CWE-287: Improper Authentication

Primary references