CVE-2026-22318
Stack-Based Buffer Overflow in File Transfer Causes DoS
Publication date: 2026-03-18
Last updated on: 2026-03-18
Assigner: CERT VDE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| phoenix_contact | fl_switch | to 3.53 (exc) |
| phoenix_contact | fl_switch | 3.53 |
Helpful Resources
Exploitability
| 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 Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
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What immediate steps should I take to mitigate this vulnerability?
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