9.8
CRITICAL CVSS 3.1
CVE-2026-43830
tbc
Description

A command injection vulnerability in the firmware upgrade file verification process could allow an attacker to execute arbitrary commands.

INFO

Published Date :

July 31, 2026, 4:17 a.m.

Last Modified :

Oct. 20, 2026, 8:16 a.m.

Remotely Exploit :

Yes !

Source :

5f57b9bf-260d-4433-bf07-b6a79e9bb7d4
Affected Products

The following products are affected by CVE-2026-43830 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Advantech adam-3600
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 CRITICAL 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 4.0 HIGH 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4
CVSS 4.0 HIGH 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4
Solution
Prevent arbitrary command execution by validating firmware upgrade files before processing.
  • Validate firmware upgrade files before processing.
  • Sanitize all inputs used in file verification.
  • Restrict privileges for the upgrade process.
  • Apply vendor patches when available.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-43830.

URL Resource
https://www.advantech.com/en/security-advisory
https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-149
https://github.com/CVEProject/cvelistV5/blob/8846a06bd73fefb0d7b7e205f1e21f97d0b9cbe2/cves/2026/43xxx/CVE-2026-43830.json
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-43830 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-43830 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-43830 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4

    Oct. 20, 2026

    Action Type Old Value New Value
    Changed Description Full details and mitigation steps are currently restricted and will be published at a later date. A command injection vulnerability in the firmware upgrade file verification process could allow an attacker to execute arbitrary commands.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/43xxx/CVE-2026-43830.json">CVE-2026-43830</a>
    Added Reference https://www.advantech.com/en/security-advisory
    Added Reference https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-149
    Removed Reference https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-xxx
  • CVE Modified by 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4

    Sep. 11, 2026

    Action Type Old Value New Value
    Added Reference https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-xxx
    Removed Reference https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-xxx
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Sep. 11, 2026

    Action Type Old Value New Value
    Added Reference https://github.com/CVEProject/cvelistV5/blob/8846a06bd73fefb0d7b7e205f1e21f97d0b9cbe2/cves/2026/43xxx/CVE-2026-43830.json
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 31, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-77
    Added SSVC {'id': 'CVE-2026-43830', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-31T19:51:07.430876Z'}
  • CVE Modified by 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4

    Jul. 31, 2026

    Action Type Old Value New Value
    Changed Affected [{'vendor': 'Advantech', 'product': 'ADAM-3600 EdgeLink', 'versions': [{'status': 'affected', 'version': 'prior to version 2.8.5.1'}], 'defaultStatus': 'unknown'}] [{'vendor': 'tbc', 'product': 'tbc', 'versions': [{'status': 'affected', 'version': 'tbc'}], 'defaultStatus': 'unknown'}]
    Changed Description Successful exploitation of the command injection vulnerability could allow an attacker to execute arbitrary commands during the firmware upgrade file verification process. Full details and mitigation steps are currently restricted and will be published at a later date.
    Removed CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added Reference https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-xxx
    Removed Reference https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-097
  • New CVE Received by 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4

    Jul. 31, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Advantech', 'product': 'ADAM-3600 EdgeLink', 'versions': [{'status': 'affected', 'version': 'prior to version 2.8.5.1'}], 'defaultStatus': 'unknown'}]
    Added Description Successful exploitation of the command injection vulnerability could allow an attacker to execute arbitrary commands during the firmware upgrade file verification process.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added Reference https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-097
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.