High severity8.8NVD Advisory· Published Jul 25, 2025· Updated Jun 17, 2026
CVE-2025-8170
CVE-2025-8170
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.
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Affected products
2- TOTOLINK/T6v5Range: 4.1.5cu.748_B20211015
Patches
Vulnerability mechanics
References
6- github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/9.mdnvdExploitThird Party Advisory
- github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/9.mdnvdExploitThird Party Advisory
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdPermissions Required
- www.totolink.netnvdProduct
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