A Heap-Based Buffer Overflow issue was discovered in Advantech WebOP.

published 2017-10-25 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-4244

cvss: 7.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 39%
public exploits: 0; none known

A Heap-Based Buffer Overflow issue was discovered in Advantech WebOP. A maliciously crafted project file may be able to trigger a heap-based buffer overflow, which may crash the process and allow an attacker to execute arbitrary code.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-17-227-01 updated 2017-08-15 cvss 4.8

Advantech WebOP

Advantech WebOP
affected: mitigation “Advantech was unable to verify the validity of this vulnerability.”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	4.6	AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

n/a Advantech WebOP

Classification

Weakness

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

securityfocus.com /bid/99476
vdb-entry, third-party-advisory
ics-cert.us-cert.gov /advisories/ICSA-17-227-01
issue-tracking, mitigation, third-party-advisory, us-government-resource, vdb-entry

Sources

CVE List CVE-2017-12705
NVD CVE-2017-12705

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary