CVE-2025-41756CWE-1242

Arbitrary Write with ubr-editfile

High · published March 9, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
25.2
In the wild
Unconfirmed
What it is

A low-privileged remote attacker can exploit the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpoint to write arbitrary files on the system.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00326 · 25.2th percentile
Weakness
CWE-1242 · Inclusion of Undocumented Features or Chicken Bits
Published
2026-03-09T08:16Z
EPSS history
Timeline
  • 09 MAR 08:16Z
    Arbitrary Write with ubr-editfile
    cvelistv5