CVE-2025-7912
TOTOLINK T6 MQTT Service recvSlaveUpgstatus buffer overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Jul 20, 2025
- Updated
- Jul 21, 2025
- Reserved
- Jul 19, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 8.8 High | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
T6TOTOLINK |
|
References
- VDB-317027 | TOTOLINK T6 MQTT Service recvSlaveUpgstatus buffer overflowvdb-entrytechnical-description
- VDB-317027 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #618655 | TOTOLINK T6 V4.1.5cu.748_B20211015 Buffer Overflowthird-party-advisory
- https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/6.mdrelated
- https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/6.md#pocexploit
- https://www.totolink.net/product
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