EIP-2026-102036

PRE-CVE

Tenda ADSL2/2+ Modem D820R - DNS Change

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-102036. PoCs published by Todor Donev.

AI-analyzed exploit summary This script exploits an unauthenticated DNS change vulnerability in Tenda ADSL2/2+ Modem D820R by sending a crafted HTTP request to the device's web interface. It allows an attacker to modify the DNS settings without authentication, redirecting traffic to malicious servers.

Description

Tenda ADSL2/2+ Modem D820R - DNS Change

Exploits (1)

exploitdb WORKING POC
by Todor Donev · bashwebappshardware
https://www.exploit-db.com/exploits/41117

This script exploits an unauthenticated DNS change vulnerability in Tenda ADSL2/2+ Modem D820R by sending a crafted HTTP request to the device's web interface. It allows an attacker to modify the DNS settings without authentication, redirecting traffic to malicious servers.

Classification
Working Poc 95%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: Tenda ADSL2/2+ Modem D820R
No auth needed
Prerequisites: Network access to the target device · Target device must be using Tenda ADSL2/2+ Modem D820R
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026