Vulnerability Monitor

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CVE-2017-16953

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.

Published

2017-12-01T17:29:00.620

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-287

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	zte	zxdsl_831cii_firmware	-	Yes
Hardware	zte	zxdsl_831cii	-	No

References

http://packetstormsecurity.com/files/145121/ZTE-ZXDSL-831-Unauthorized-Configuration-Access-Bypass.html Exploit, Third Party Advisory, VDB Entry ([email protected])
http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1008762 ([email protected])
https://www.exploit-db.com/exploits/43188/ Third Party Advisory, VDB Entry ([email protected])
http://packetstormsecurity.com/files/145121/ZTE-ZXDSL-831-Unauthorized-Configuration-Access-Bypass.html Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1008762 (af854a3a-2127-422b-91ae-364da2661108)
https://www.exploit-db.com/exploits/43188/ Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)