CVE-2016-0856

Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to...

9.8 Critical

Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to execute arbitrary code via unspecified vectors.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

16.7%Up 5.7 points since Feb 4, 2022

What each source reports

NVD Score used 9.8

Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to execute arbitrary code via unspecified vectors.

Record: CVE-2016-0856
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to execute arbitrary code via unspecified vectors.

Record: CVE-2016-0856
Updated: 2026-11-02

EUVDEUVD-2016-0867 No score

Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to execute arbitrary code via unspecified vectors.

Record: EUVD-2016-0867
Updated: 2026-11-03

GitHub AdvisoriesGHSA-77fq-72hq-rrj5 9.8

Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to...

Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to execute arbitrary code via unspecified vectors.

Record: GHSA-77fq-72hq-rrj5
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-119
Updated: 2026-11-02

Affected products

advantech webaccess

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-0856 is a critical vulnerability (CVSS 9.8) in Advantech Webaccess, published January 15, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 16.7%, the 97th percentile. No source names a fixed version.

References

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