EIP-2026-117697

PRE-CVE

NO-IP.com Dynamic DNS Update Client 2.2.1 - 'Request' Insecure Encoding Algorithm

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-117697. PoCs published by sinn3r.

AI-analyzed exploit summary This script decodes intercepted NO-IP.com Dynamic DNS Update Client (DUC) v2.2.1 requests, revealing credentials by reversing a custom encoding scheme (base64, XOR, and string reversal). It operates in two modes: manual decoding or live sniffing on port 8245.

Description

NO-IP.com Dynamic DNS Update Client 2.2.1 - 'Request' Insecure Encoding Algorithm

Exploits (1)

exploitdb WORKING POC VERIFIED
by sinn3r · pythonlocalwindows
https://www.exploit-db.com/exploits/14029

This script decodes intercepted NO-IP.com Dynamic DNS Update Client (DUC) v2.2.1 requests, revealing credentials by reversing a custom encoding scheme (base64, XOR, and string reversal). It operates in two modes: manual decoding or live sniffing on port 8245.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Reliable
Target: NO-IP.com Dynamic DNS Update Client (DUC) v2.2.1
No auth needed
Prerequisites: Network access to intercept traffic on port 8245 · NO-IP DUC v2.2.1 sending unencrypted/encoded requests
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026