TI-2026-31921 Aliases CVE-2026-43832 GHSA-q9wm-fmhh-v7p9

Stack-based buffer overflow in Advantech ADAM-3600

MEDIUM 47CWE-121Published 2026-07-31 · Updated 2026-10-20

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Attack requirements: None
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

A stack-based buffer overflow vulnerability in the Cookie parsing methods could allow an unauthenticated attacker to achieve code execution when the SafeEnhancement feature is enabled.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00636 50th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Advantech	ADAM-3600	prior to version 2.8.5.0	—	No fix listed	CNA

ADAM-3600 VendorAdvantech Affected prior to version 2.8.5.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-43832
2026-10-03 Alias added: GHSA-q9wm-fmhh-v7p9
2026-10-20 Title updated · CNA
2026-10-20 CVSS score added · CNA
2026-10-20 Affected versions changed · CNA
2026-10-20 2 new references · CNA
2026-10-20 Priority changed: LOW → MEDIUM
2026-10-25 EPSS moved to the 50th–90th percentile

References

Advisory 1

https://www.advantech.com/en/security-advisory

Other 1

https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-149

TI-2022-01984 Command injection in Advantech iView CVSS 3.1CRITICAL 9.8
TI-2025-24399 Advantech WISE-DeviceOn Server < 5.4 Hard-coded JWT Key Authentication Bypass CVSS 4.0CRITICAL 10.0
TI-2023-05193 Advantech R-SeeNet Unauthenticated Read/Write CVSS 3.1CRITICAL 9.8
TI-2016-00768 Unrestricted file upload vulnerability in the uploadImageCommon function in the… CVSS 3.0CRITICAL 9.8
TI-2021-04850 OS command injection in Advantech CVSS 3.1CRITICAL 9.8
TI-2026-55194 Advantech WISE-6610-NB Node-RED nodered_lib_apply command injection CVSS 4.0CRITICAL 9.4

See all 433 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences