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CVE-2018-14816

Advantech WebAccess 8.3.1 and earlier has several stack-based buffer overflow vulnerabilities...

9.8 Critical

Advantech WebAccess 8.3.1 and earlier has several stack-based buffer overflow vulnerabilities that have been identified, which may allow an attacker to execute arbitrary code.

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

4.13%Up 2.6 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

Advantech WebAccess 8.3.1 and earlier has several stack-based buffer overflow vulnerabilities that have been identified, which may allow an attacker to execute arbitrary code.

Record
CVE-2018-14816
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-121, CWE-787
Updated
2026-11-02
CVE List No score

Advantech WebAccess 8.3.1 and earlier has several stack-based buffer overflow vulnerabilities that have been identified, which may allow an attacker to execute arbitrary code.

Record
CVE-2018-14816
Weakness
CWE-121
Updated
2026-11-02
EUVDEUVD-2018-6700 No score

Advantech WebAccess 8.3.1 and earlier has several stack-based buffer overflow vulnerabilities that have been identified, which may allow an attacker to execute arbitrary code.

Record
EUVD-2018-6700
Updated
2026-11-03
GitHub AdvisoriesGHSA-p6qv-283h-5q8c 9.8

Advantech WebAccess 8.3.1 and earlier has several stack-based buffer overflow vulnerabilities...

Advantech WebAccess 8.3.1 and earlier has several stack-based buffer overflow vulnerabilities that have been identified, which may allow an attacker to execute arbitrary code.

Record
GHSA-p6qv-283h-5q8c
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

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

In short

CVE-2018-14816 is a critical vulnerability (CVSS 9.8) in Advantech Webaccess, published October 23, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.13%, the 90th percentile. No source names a fixed version.

References

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