Description
A vulnerability classified as critical was found in TOTOLINK T6 4.1.5cu.748_B20211015. This vulnerability affects the function tcpcheck_net of the file /router/meshSlaveDlfw of the component MQTT Packet Handler. The manipulation of the argument serverIp leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Metrics
CVSS 3.1 8.8/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| TOTOLINK | T6 | 4.1.5cu.748_B20211015 |
References
- https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/9.mdExploit, Third Party Advisory
- https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/9.md#pocExploit, Third Party Advisory
- https://vuldb.com/?ctiid.317584Permissions Required
- https://vuldb.com/?id.317584Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.620834Third Party Advisory, VDB Entry
- https://www.totolink.net/Product
Timeline
- Published
- Jul 25, 2025
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed