CVE-2026-24108
Buffer Overflow in Tenda W20E getMibPrefix Function
Publication date: 2026-03-02
Last updated on: 2026-03-03
Assigner: MITRE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| tenda | w20e_firmware | 15.11.0.6 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-120 | The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the Tenda W20E V4.0br_V15.11.0.6 device. Attackers can exploit it by controlling the value of a variable named `nptr`. This value is then passed into a function called `getMibPrefix` and concatenated using the `sprintf` function without proper size validation. Because of this lack of size checking, it can lead to a buffer overflow vulnerability.
How can this vulnerability impact me? :
The buffer overflow vulnerability can allow attackers to execute arbitrary code or cause the device to crash. This could lead to unauthorized access, disruption of service, or compromise of the device's normal operation.
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?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know