CVE-2025-7758CWE-119CWE-120

TOTOLINK T6 HTTP POST Request cstecgi.cgi setDiagnosisCfg buffer overflow

High · published July 17, 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, has been found in TOTOLINK T6 up to 4.1.5cu.748_B20211015. Affected by this issue is the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument ip 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
0.00994 · 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
2025-07-17T21:14Z
EPSS history
Timeline
  • 17 JUL 21:14Z
    TOTOLINK T6 HTTP POST Request cstecgi.cgi setDiagnosisCfg buffer overflow
    cvelistv5