CVE-2025-7837CWE-119CWE-120

TOTOLINK T6 MQTT Service recvSlaveStaInfo buffer overflow

High · published July 19, 2025

CVSS v4.0
8.7
EPSS
1%
Percentile
69.9
In the wild
Unconfirmed
What it is

A vulnerability was found in TOTOLINK T6 4.1.5cu.748_B20211015 and classified as critical. Affected by this issue is the function recvSlaveStaInfo of the component MQTT Service. The manipulation of the argument dest leads to buffer overflow. The attack may be launched 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
0.01283 · 69.9th 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
2025-07-19T17:02Z
EPSS history
Timeline
  • 19 JUL 17:02Z
    TOTOLINK T6 MQTT Service recvSlaveStaInfo buffer overflow
    cvelistv5