EIP-2026-101501

PRE-CVE

ZTE ZXDSL 831 II Modem - Arbitrary Add Admin

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-101501. PoCs published by SuNHouSe2.

AI-analyzed exploit summary This is a writeup describing an authentication bypass vulnerability in ZTE ZXDSL 831 II modems. The exploit allows changing the admin password via an unauthenticated CGI endpoint.

Description

ZTE ZXDSL 831 II Modem - Arbitrary Add Admin

Exploits (1)

exploitdb WRITEUP VERIFIED
by SuNHouSe2 · textremotehardware
https://www.exploit-db.com/exploits/9456

This is a writeup describing an authentication bypass vulnerability in ZTE ZXDSL 831 II modems. The exploit allows changing the admin password via an unauthenticated CGI endpoint.

Classification
Writeup 90%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: ZTE ZXDSL 831 II (Firmware ZXDSL 831IIV7.5.0a_E09_OV)
No auth needed
Prerequisites: Network access to the modem's web interface · Modem using default or known IP (e.g., 192.168.1.1)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026