CVE-2026-43835CWE-345

CVE-2026-43835

published October 20, 2026

CVSS
8.6
EPSS
0%
Percentile
4.0
In the wild
Unconfirmed
What it is

A vulnerability in the firmware upgrade functionality could allow an authenticated attacker to upload a forged firmware upgrade file, potentially compromising the device permanently.

The record
Technical detail
CVSS
8.6 · NONE
CVSS v4.0
8.6 · CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00151 · 4.0th percentile
Weakness
CWE-345 · Insufficient Verification of Data Authenticity
Published
2026-10-20T12:16Z
References (2)
https://www.advantech.com/en/security-advisory · 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-149 · 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4
EPSS history
Timeline
  • 21 OCT 03:29Z
    EPSS moved — → 0%
    epss
  • 20 OCT 08:02Z
    A vulnerability in the firmware upgrade functionality could allow an authenticated attacker to upload a forged firmware upgrade file, potentially compromising…
    cvelistv5
  • 20 OCT 08:02Z
    A vulnerability in the firmware upgrade functionality could allow an authenticated attacker to upload a forged firmware upgrade file, potentially compromising…
    cvelistv5