Is CVE-2017-12704 actively exploited?

No active exploitation of CVE-2017-12704 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-12704 be exploited remotely?

Yes. CVE-2017-12704 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-12704?

CVE-2017-12704 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2017-12704

CWE-122Published: August 30, 2017· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

A heap-based buffer overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Researchers have identified multiple vulnerabilities where there is a lack of proper validation of the length of user-supplied data prior to copying it to the heap-based buffer, which could allow an attacker to execute arbitrary code under the context of the process.

NVD Source

Technical Analysis

CVE-2017-12704 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.