CVE-2025-7913CWE-119CWE-120

TOTOLINK T6 MQTT Service updateWifiInfo buffer overflow

High · published July 20, 2025

CVSS v4.0
8.7
EPSS
1%
Percentile
62.3
In the wild
Unconfirmed
What it is

A vulnerability, which was classified as critical, was found in TOTOLINK T6 4.1.5cu.748_B20211015. Affected is the function updateWifiInfo of the component MQTT Service. The manipulation of the argument serverIp leads to buffer overflow. It is possible to launch the attack 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
0.00994 · 62.3th 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
2025-07-20T23:32Z
EPSS history
Timeline
  • 20 JUL 23:32Z
    TOTOLINK T6 MQTT Service updateWifiInfo buffer overflow
    cvelistv5