CVE-2025-63462
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-10-31
Last updated on: 2025-11-05
Assigner: MITRE
Description
Description
Totolink A7000R v9.1.0u.6115_B20201022 was discovered to contain a stack overflow via the wifiOff parameter in the sub_421A04 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| totolink | a7000r_firmware | 9.1.0u.6115_b20201022 |
| totolink | a7000r | * |
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). |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a stack overflow in the Totolink A7000R router firmware version 9.1.0u.6115_B20201022. It occurs via the wifiOff parameter in the sub_421A04 function. An attacker can send a specially crafted request that triggers this overflow, causing the device to crash or become unresponsive.
How can this vulnerability impact me? :
The vulnerability can cause a Denial of Service (DoS) on the affected device, meaning the router could stop functioning properly or become unavailable, disrupting network connectivity.
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