Unauthorized Access Vulnerability in ZTE ZXDSL 831CII Device
CVE-2017-16953

7.5HIGH

Key Information:

Vendor

Zte

Status
Zxdsl 831cii Firmware
Vendor
CVE Published:
1 December 2017

What is CVE-2017-16953?

The connoppp.cgi script on ZTE ZXDSL 831CII devices fails to enforce HTTP Basic Authentication, enabling remote attackers to execute unauthorized modifications to the PPPoE configuration. This critical oversight permits the exploitation of the device's configuration settings through a simple GET request, potentially resulting in malicious configuration changes.

References

https://www.exploit-db.com/exploits/43188/
exploitx_refsource_EXPLOIT-DB
http://packetstormsecurity.com/files/145121/ZTE-ZXDSL-831...
x_refsource_MISC
http://support.zte.com.cn/support/news/LoopholeInfoDetail...
x_refsource_CONFIRM

EPSS Score

27% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.