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Fencer Vulns
medium 6.5

CVE-2018-15705 json

WADashboard API in Advantech WebAccess 8.3.1 and 8.3.2 allows remote authenticated attackers to write or overwrite any file on the filesyst…

published 2018-10-31 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-7575

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
12.2%
EPSS 12.2% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

WADashboard API in Advantech WebAccess 8.3.1 and 8.3.2 allows remote authenticated attackers to write or overwrite any file on the filesystem due to a directory traversal vulnerability in the writeFile API. An attacker can use this vulnerability to remotely execute arbitrary code.

Timeline

  1. Published
  2. First public exploit (EDB-45774)

Exploit prediction

12.24% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-45774 Advantech WebAccess SCADA 8.3.2 - Remote Code Execution webapps, 2018-11-05
  • tenable.com https://www.tenable.com/security/research/tra-2018-35 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 8.5 AV:N/AC:L/Au:S/C:N/I:C/A:C

Affected products

  • Advantech Advantech WebAccess

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

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.