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Fencer Vulns
high 8.8

CVE-2018-15704 in the critical feed json

Advantech WebAccess 8.3.2 and below is vulnerable to a stack buffer overflow vulnerability.

published 2018-10-22 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-7574

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
21.5%
EPSS 21.5% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

Advantech WebAccess 8.3.2 and below is vulnerable to a stack buffer overflow vulnerability. A remote authenticated attacker could potentially exploit this vulnerability by sending a crafted HTTP request to broadweb/system/opcImg.asp.

Exploit prediction

21.54% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • tenable.com https://www.tenable.com/security/research/tra-2018-33 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Affected products

  • Advantech Advantech WebAccess

Classification

Weakness

References

Sources

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.