CVE-2025-7913
TOTOLINK T6 MQTT Service updateWifiInfo 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, was found in TOTOLINK T6 4.1.5cu.748_B20211015. Affected is the function updateWifiInfo of the component MQTT Service. The manipulation of the argument serverIp leads to buffer overflow. It is possible to launch the attack 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-317028 | TOTOLINK T6 MQTT Service updateWifiInfo buffer overflowvdb-entrytechnical-description
- VDB-317028 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #618656 | TOTOLINK T6 V4.1.5cu.748_B20211015 Buffer Overflowthird-party-advisory
- https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/7.mdrelated
- https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/7.md#pocexploit
- https://www.totolink.net/product
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