CVE-2026-24113
Buffer Overflow in Tenda W20E getMibPrefix Function
Publication date: 2026-03-02
Last updated on: 2026-03-05
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`. When this variable is passed into the `getMibPrefix` function, it is concatenated using the `sprintf` function without proper size validation. This improper handling can lead to a buffer overflow, which means that more data is written to a buffer than it can hold, potentially causing unexpected behavior or allowing an attacker to execute arbitrary code.
How can this vulnerability impact me? :
The buffer overflow vulnerability can allow attackers to execute arbitrary code or cause the device to crash. This can lead to unauthorized access, disruption of service, or compromise of the device's integrity and confidentiality.
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