EIP-2026-116633

PRE-CVE

Yahoo! Messenger 4.0/5.0 - Remote Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-116633. PoCs published by diman.

AI-analyzed exploit summary This exploit sends a UDP packet with excessive data to trigger a denial of service in PC2Phone products. The PoC uses a Delphi-based UDP client to send a large payload repeatedly to the target host and port.

Description

Yahoo! Messenger 4.0/5.0 - Remote Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by diman · textdoswindows
https://www.exploit-db.com/exploits/23086

This exploit sends a UDP packet with excessive data to trigger a denial of service in PC2Phone products. The PoC uses a Delphi-based UDP client to send a large payload repeatedly to the target host and port.

Classification
Working Poc 80%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: PC2Phone products (version unspecified)
No auth needed
Prerequisites: Network access to the target UDP port · Target software running and listening on the specified port
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026