CVE-2025-7837
TOTOLINK T6 MQTT Service recvSlaveStaInfo buffer overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Jul 19, 2025
- Updated
- Jul 21, 2025
- Reserved
- Jul 18, 2025
Description
A vulnerability was found in TOTOLINK T6 4.1.5cu.748_B20211015 and classified as critical. Affected by this issue is the function recvSlaveStaInfo of the component MQTT Service. The manipulation of the argument dest leads to buffer overflow. The attack may be launched 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-316940 | TOTOLINK T6 MQTT Service recvSlaveStaInfo buffer overflowvdb-entrytechnical-description
- VDB-316940 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #617572 | TOTOLINK T6 V4.1.5cu.748_B20211015 Buffer Overflowthird-party-advisory
- https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/4.mdrelated
- https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/4.md#pocexploit
- https://www.totolink.net/product
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