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TI-2017-12486 Aliases CVE-2017-16953GHSA-96hm-5phv-9888

connoppp.cgi on ZTE ZXDSL 831CII devices does not require HTTP Basic Authentication…

Priority MEDIUM 46CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

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.

Why it matters now

EPSS 0.11261 95th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:zte:zxdsl_831cii_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableZTE
cpe:2.3:h:zte:zxdsl_831cii:-:*:*:*:*:*:*:*not specified by NVDRunning onZTE
  • cpe:2.3:o:zte:zxdsl_831cii_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·ZTE
  • cpe:2.3:h:zte:zxdsl_831cii:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ZTE

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-16953
  2. 2026-10-03 Alias added: GHSA-96hm-5phv-9888

References

Sources