EIP-2026-116944

PRE-CVE

Centrinity FirstClass Desktop Client 7.1 - Local Buffer Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-116944. PoCs published by I2S-LaB.

AI-analyzed exploit summary This exploit targets a local buffer overflow vulnerability in Centrinity FirstClass Desktop Client 7.1 by manipulating the 'PROXYADDR' variable in the 'LOCAL NETWORK.FCP' configuration file. It uses a large NOP sled followed by shellcode to execute arbitrary commands (e.g., 'calc.exe').

Description

Centrinity FirstClass Desktop Client 7.1 - Local Buffer Overflow

Exploits (1)

exploitdb WORKING POC VERIFIED
by I2S-LaB · clocalwindows
https://www.exploit-db.com/exploits/23921

This exploit targets a local buffer overflow vulnerability in Centrinity FirstClass Desktop Client 7.1 by manipulating the 'PROXYADDR' variable in the 'LOCAL NETWORK.FCP' configuration file. It uses a large NOP sled followed by shellcode to execute arbitrary commands (e.g., 'calc.exe').

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Centrinity FirstClass Desktop Client 7.1
No auth needed
Prerequisites: Local access to the target system · Ability to write to the 'LOCAL NETWORK.FCP' file
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026