CVE-2026-82616CWE-119CWE-121

CVE-2026-82616

Critical · published August 31, 2026

CVSS v3.1
9.9
EPSS
1%
Percentile
57.9
In the wild
Unconfirmed
What it is

A vulnerability was found in TOTOLINK NR1800X 9.1.0u.6681_B20230703. Impacted is the function setUploadSetting of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
9.4 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
EPSS
0.00854 · 57.9th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-08-31T09:17Z
References (6)
EPSS history
Timeline
  • 01 SEP 03:32Z
    EPSS moved — → 1%
    epss
  • 31 AUG 04:45Z
    TOTOLINK NR1800X cstecgi.cgi setUploadSetting stack-based overflow
    cvelistv5