EIP-2026-117722

PRE-CVE

OpenTFTP 1.66 - Local Privilege Escalation

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-117722. PoCs published by boku.

AI-analyzed exploit summary This exploit demonstrates a local privilege escalation (LPE) in OpenTFTP Server v1.66 by replacing the service binary due to insecure file permissions. The attacker compiles a malicious binary to add an admin user and restores the original service binary.

Description

OpenTFTP 1.66 - Local Privilege Escalation

Exploits (1)

exploitdb WORKING POC
by boku · textlocalwindows
https://www.exploit-db.com/exploits/48060

This exploit demonstrates a local privilege escalation (LPE) in OpenTFTP Server v1.66 by replacing the service binary due to insecure file permissions. The attacker compiles a malicious binary to add an admin user and restores the original service binary.

Classification
Working Poc 100%
Attack Type
Lpe
Complexity
Trivial
Reliability
Reliable
Target: OpenTFTP Server v1.66
Auth required
Prerequisites: Local access to the system · OpenTFTP Server v1.66 installed with default permissions
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026