EIP-2026-116404

PRE-CVE

TFTPD32 DNS Server 4.00 - Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-116404. PoCs published by demonalex.

AI-analyzed exploit summary The exploit demonstrates a Denial of Service (DoS) vulnerability in Tftpd32 DNS Server v4.00 by sending a crafted DNS request with a domain name exceeding 127 characters, causing the server to crash. The Perl script constructs a malformed DNS packet and sends it via UDP to the target server.

Description

TFTPD32 DNS Server 4.00 - Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by demonalex · textdoswindows
https://www.exploit-db.com/exploits/18946

The exploit demonstrates a Denial of Service (DoS) vulnerability in Tftpd32 DNS Server v4.00 by sending a crafted DNS request with a domain name exceeding 127 characters, causing the server to crash. The Perl script constructs a malformed DNS packet and sends it via UDP to the target server.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Tftpd32 v4.00
No auth needed
Prerequisites: Network access to the target server · UDP port 53 accessible
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026