CVE-2026-43852
8.2HighPublished 20 Oct 2026 · NVD status: Received · AI triage by gemini-3.8-flash
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
- Impact
- High impact on integrity
- Weakness
- —
Impact
Authenticated attackers with high privileges can write arbitrary files to the filesystem over the network. This can lead to system compromise or configuration tampering.
Root cause
Improper limitation of a pathname to a restricted directory allows arbitrary file writes.
Affected systems
Versions not listed — check the vendor advisory.
CVSS v4.0 · CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Fix & remediation
Check the Advantech security advisory for target patch versions, and restrict network access or administrative account privileges to the affected device in the interim.
AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
A vulnerability could allow an authenticated attacker to write files to arbitrary locations on the system.