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.
Exploits (1)
exploitdb
WORKING POC
VERIFIED
by Ibad Shah · textwebappshardware
https://www.exploit-db.com/exploits/43188
References (3)
Core 3
Core References
Third Party Advisory, VDB Entry exploit
x_refsource_exploit-db
https://www.exploit-db.com/exploits/43188/
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/145121/ZTE-ZXDSL-831-Unauthorized-Configuration-Access-Bypass.html
Various Sources x_refsource_confirm
http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1008762
Scores
CVSS v3
7.5
EPSS
0.1812
EPSS Percentile
95.2%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Details
CWE
CWE-287
Status
published
Products (1)
zte/zxdsl_831cii_firmware
Published
Dec 01, 2017
Tracked Since
Feb 18, 2026