// For flags

CVE-2017-16953

ZTE ZXDSL 831CII - Improper Access Restrictions

Severity Score

7.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

connoppp.cgi en dispositivos ZTE ZXDSL 831CII no requiere autenticación básica HTTP, lo que permite que los atacantes remotos modifiquen la configuración PPPoE o realicen una configuración maliciosa mediante una petición GET.

ZTE ZXDSL 831 suffers from an insecure direct object reference vulnerability.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2017-11-26 CVE Reserved
  • 2017-11-27 CVE Published
  • 2024-03-06 EPSS Updated
  • 2024-08-05 CVE Updated
  • 2024-08-05 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-287: Improper Authentication
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Zte
Search vendor "Zte"
Zxdsl 831cii Firmware
Search vendor "Zte" for product "Zxdsl 831cii Firmware"
--
Affected
in Zte
Search vendor "Zte"
Zxdsl 831cii
Search vendor "Zte" for product "Zxdsl 831cii"
--
Safe