CVE-2026-26732
Received
Received - Intake
Stack-Based Buffer Overflow in TOTOLINK A3002RU VPN Parameters
Publication date: 2026-02-17
Last updated on: 2026-03-11
Assigner: MITRE
Description
Description
TOTOLINK A3002RU V2.1.1-B20211108.1455 was discovered to contain a stack-based buffer overflow via the vpnUser or vpnPassword` parameters in the formFilter function.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| totolink | a3002ru_firmware | 2.1.1-b20211108.1455 |
Helpful Resources
Exploitability
CWE
KEV
| 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). |
| CWE-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
What immediate steps should I take to mitigate this vulnerability?
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Can you explain this vulnerability to me?
This vulnerability is a stack-based buffer overflow found in the TOTOLINK A3002RU router firmware version V2.1.1-B20211108.1455. It occurs via the vpnUser or vpnPassword parameters in the formFilter function.
How can this vulnerability impact me? :
A stack-based buffer overflow can allow an attacker to execute arbitrary code, potentially leading to unauthorized access, system crashes, or control over the affected device.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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How can this vulnerability be detected on my network or system? Can you suggest some commands?
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