EIP-2026-102705

PRE-CVE

NTPd ntp-4.2.6p5 - 'ctl_putdata()' Buffer Overflow (PoC)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-102705. PoCs published by Marcin Kozlowski.

AI-analyzed exploit summary This exploit demonstrates a buffer overflow in NTPd's ctl_putdata() function, leading to a Denial of Service (DoS) condition. It requires authentication via a known KEY ID and MD5 password to trigger the vulnerability.

Description

NTPd ntp-4.2.6p5 - 'ctl_putdata()' Buffer Overflow (PoC)

Exploits (1)

exploitdb WORKING POC
by Marcin Kozlowski · cdoslinux
https://www.exploit-db.com/exploits/39445

This exploit demonstrates a buffer overflow in NTPd's ctl_putdata() function, leading to a Denial of Service (DoS) condition. It requires authentication via a known KEY ID and MD5 password to trigger the vulnerability.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: NTPd <= ntp-4.2.6p5
Auth required
Prerequisites: Valid KEY ID and MD5 password for authentication · Network access to the target NTPd server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026