EIP-2026-118243

PRE-CVE

Advantech WebAccess < 8.1 - webvrpcs DrawSrv.dll Path BwBuildPath Stack-Based Buffer Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-118243. PoCs published by Chris Lyne.

AI-analyzed exploit summary This exploit targets a stack-based buffer overflow in Advantech WebAccess < 8.1 via the DrawSrv.dll component, leveraging a ROP chain and shellcode to achieve remote code execution. It uses DCE/RPC to trigger the vulnerability and execute arbitrary code.

Description

Advantech WebAccess < 8.1 - webvrpcs DrawSrv.dll Path BwBuildPath Stack-Based Buffer Overflow

Exploits (1)

exploitdb WORKING POC
by Chris Lyne · pythonremotewindows
https://www.exploit-db.com/exploits/44376

This exploit targets a stack-based buffer overflow in Advantech WebAccess < 8.1 via the DrawSrv.dll component, leveraging a ROP chain and shellcode to achieve remote code execution. It uses DCE/RPC to trigger the vulnerability and execute arbitrary code.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Complex
Reliability
Reliable
Target: Advantech WebAccess < 8.1
No auth needed
Prerequisites: Network access to the target system · DCE/RPC port (4592) accessible
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026