EIP-2026-118882

PRE-CVE

Microsoft Windows NT 3.5.1 SP2/3.5.1 SP3/3.5.1 SP4/3.5.1 SP5/4.0/4.0 SP1/4.0 SP2/4.0 SP3/4.0 SP4/4.0 SP5 - TelnetD

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-118882. PoCs published by Tomas Halgas.

AI-analyzed exploit summary The exploit demonstrates a denial of service vulnerability in Microsoft's Telnetd daemon by using Nmap's SYN scan (-sS) on port 23. This causes the telnetd service to crash due to improper handling of SYN packets.

Description

Microsoft Windows NT 3.5.1 SP2/3.5.1 SP3/3.5.1 SP4/3.5.1 SP5/4.0/4.0 SP1/4.0 SP2/4.0 SP3/4.0 SP4/4.0 SP5 - TelnetD

Exploits (1)

exploitdb WORKING POC VERIFIED
by Tomas Halgas · textremotewindows
https://www.exploit-db.com/exploits/19113

The exploit demonstrates a denial of service vulnerability in Microsoft's Telnetd daemon by using Nmap's SYN scan (-sS) on port 23. This causes the telnetd service to crash due to improper handling of SYN packets.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Telnetd daemon
No auth needed
Prerequisites: Nmap 2.01 or later · Network access to target's port 23
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026