CVE-2025-8170CWE-119CWE-120
TOTOLINK T6 MQTT Packet meshSlaveDlfw tcpcheck_net buffer overflow
High · published July 25, 2025
What it is
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.
The record
Technical detail
- CVSS v4.0
- 8.7 · HIGH
- Vector
- 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
- EPSS
- 0.01215 · 68.3th percentile
- Weaknesses
- CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
- Published
- 2025-07-25T21:02Z
EPSS history
Timeline