CVE-2026-43837
A buffer overflow vulnerability in the password verification functionality could allow an...
A buffer overflow vulnerability in the password verification functionality could allow an attacker with guest authentication to achieve code execution.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
A buffer overflow vulnerability in the password verification functionality could allow an attacker with guest authentication to achieve code execution.
- Record
CVE-2026-43837- CVSS 4.0
- 7.5 High
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2026-104835
A buffer overflow vulnerability in the password verification functionality could allow an attacker with guest authentication to achieve code execution.
- Record
EUVD-2026-104835- CVSS 4.0
- 7.5 High
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-6hqc-5jhx-2f76
A buffer overflow vulnerability in the password verification functionality could allow an...
A buffer overflow vulnerability in the password verification functionality could allow an attacker with guest authentication to achieve code execution.
- Record
GHSA-6hqc-5jhx-2f76- CVSS 4.0
- 7.5 High
CVSS:4.0/AV:N/AC:H/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 - Weakness
- CWE-120
- Updated
- 2026-11-02
NVD
A buffer overflow vulnerability in the password verification functionality could allow an attacker with guest authentication to achieve code execution.
- Record
CVE-2026-43837- CVSS 4.0
- 7.5 High
CVSS:4.0/AV:N/AC:H/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 - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-43837 is a high vulnerability (CVSS 7.5) in Advantech Adam-3600, published October 20, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. No source names a fixed version.