CVE-2025-8170Improper Restriction of Operations within the Bounds of a Memory Buffer in T6

Severity
7.4HIGHNVD
EPSS
0.5%
top 32.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJul 25

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.

CVSS 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

Affected Packages2 packages

CVEListV5totolink/t64.1.5cu.748_B20211015
NVDtotolink/t6_firmwarev4.1.5cu.748_b20211015

🔴Vulnerability Details

3
CVEList
TOTOLINK T6 MQTT Packet meshSlaveDlfw tcpcheck_net buffer overflow2025-07-25
GHSA
GHSA-h7jx-x34c-vc7c: A vulnerability classified as critical was found in TOTOLINK T6 42025-07-25
GHSA
GeoServer Missing Authorization on REST API Index2025-06-10
CVE-2025-8170 — Totolink T6 vulnerability | cvebase