CVE-2025-7912
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-07-20
Last updated on: 2025-07-23
Assigner: VulDB
Description
Description
A vulnerability, which was classified as critical, has been found in TOTOLINK T6 4.1.5cu.748_B20211015. This issue affects the function recvSlaveUpgstatus of the component MQTT Service. The manipulation of the argument s leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| totolink | t6_firmware | v4.1.5cu.748_b20211015 |
| totolink | t6 | 3 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-119 | The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. |
| 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 is a critical buffer overflow issue found in the MQTT Service component of TOTOLINK T6 firmware version 4.1.5cu.748_B20211015. It occurs in the function recvSlaveUpgstatus when the argument 's' is manipulated. An attacker can exploit this remotely to cause the buffer overflow.
How can this vulnerability impact me? :
The vulnerability can be exploited remotely to cause a buffer overflow, which may lead to unauthorized code execution, system crashes, or denial of service. This can compromise the affected device's security and availability.
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