CVE-2025-8170
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductTotolink T6 Firmware
PublishedJul 25, 2025
First seenJul 25, 2025
Weakness typeCWE-120CWE-120CWE-119Memory buffer bounds error
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| totolink t6_firmware | v4.1.5cu.748_b20211015 | — |
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