CVE-2026-24111

An issue was discovered in Tenda W20E V4.0br_V15.11.0.6

Critical · published March 2, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
51.6
In the wild
Unconfirmed
What it is

An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may exploit the vulnerability by specifying the value of `userInfo`. When `userInfo` is passed into the `addAuthUser` function and processed by `sscanf` without size validation, it could lead to buffer overflow.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00675 · 51.6th percentile
Published
2026-03-02T00:00Z
EPSS history
Timeline
  • 02 MAR 00:00Z
    An issue was discovered in Tenda W20E V4.0br_V15.11.0.6
    cvelistv5