EIP-2026-115434

PRE-CVE

Inetserv 3.23 - SMTP Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115434. PoCs published by G13.

AI-analyzed exploit summary This exploit targets a denial-of-service (DoS) vulnerability in Inetserv 3.23 SMTP server by sending a malformed 'EXPN' command with an excessive number of format specifiers, causing the service to crash. The exploit establishes a connection to the SMTP service and sends the crafted payload without requiring authentication.

Description

Inetserv 3.23 - SMTP Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by G13 · pythondoswindows
https://www.exploit-db.com/exploits/16035

This exploit targets a denial-of-service (DoS) vulnerability in Inetserv 3.23 SMTP server by sending a malformed 'EXPN' command with an excessive number of format specifiers, causing the service to crash. The exploit establishes a connection to the SMTP service and sends the crafted payload without requiring authentication.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Inetserv 3.23
No auth needed
Prerequisites: Network access to the target SMTP service (port 25)
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026