CVE-2026-22318
Received Received - Intake
Stack-Based Buffer Overflow in File Transfer Causes DoS

Publication date: 2026-03-18

Last updated on: 2026-03-18

Assigner: CERT VDE

Description
A stack-based buffer overflow vulnerability in the device's file transfer parameter workflow allows a high-privileged attacker to send oversized POST parameters, causing memory corruption in an internal process, resulting in a DoS attack.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-03-18
Last Modified
2026-03-18
Generated
2026-06-16
AI Q&A
2026-03-18
EPSS Evaluated
2026-06-15
NVD
CVE-2026-22318
EUVD
EUVD-2026-12787
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
phoenix_contact fl_switch to 3.53 (exc)
phoenix_contact fl_switch 3.53
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-121 A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is a stack-based buffer overflow in the device's file transfer parameter workflow. It allows a high-privileged attacker to send oversized POST parameters, which causes memory corruption in an internal process.

The memory corruption can lead to a denial-of-service (DoS) attack, disrupting the normal operation of the device.

Impact Analysis

The primary impact of this vulnerability is that an attacker with high privileges can cause a denial-of-service (DoS) condition by exploiting the buffer overflow.

This means the affected device or service could become unavailable or crash, potentially disrupting business operations or critical functions.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

I don't know

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-22318. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart