EIP-2026-102721

PRE-CVE

ptunnel 0.72 - Remote Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-102721. PoCs published by st3n.

AI-analyzed exploit summary This exploit triggers a segmentation fault in ptunnel <= 0.72 by sending a malformed ICMP packet with an invalid 'state' field, causing a denial of service (DoS). The PoC uses Scapy to craft and send the malicious packet.

Description

ptunnel 0.72 - Remote Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by st3n · pythondoslinux
https://www.exploit-db.com/exploits/19987

This exploit triggers a segmentation fault in ptunnel <= 0.72 by sending a malformed ICMP packet with an invalid 'state' field, causing a denial of service (DoS). The PoC uses Scapy to craft and send the malicious packet.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: ptunnel <= 0.72
No auth needed
Prerequisites: Network access to the target host · Scapy installed on the attacker's machine
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026