HOMEVULNERABILITIESCVE-2018-7497
CRITICAL

CVE-2018-7497

CWE-822Published: May 15, 2018· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, several untrusted pointer dereference vulnerabilities have been identified, which may allow an attacker to execute arbitrary code.

NVD Source

Technical Analysis

CVE-2018-7497 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

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 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

advantech4 product(s)
webaccesswebaccess dashboardwebaccess scadawebaccess\/nms
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.securityfocus.com/bid/104190
ADVISORYhttps://ics-cert.us-cert.gov/advisories/ICSA-18-135-01
ADVISORYhttp://www.securityfocus.com/bid/104190
ADVISORYhttps://ics-cert.us-cert.gov/advisories/ICSA-18-135-01

All References (4)

→
http://www.securityfocus.com/bid/104190Third Party Advisory · VDB Entry
→
https://ics-cert.us-cert.gov/advisories/ICSA-18-135-01Third Party Advisory · US Government Resource
→
http://www.securityfocus.com/bid/104190Third Party Advisory · VDB Entry
→
https://ics-cert.us-cert.gov/advisories/ICSA-18-135-01Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2018-7497
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-822
CISA KEVNo
Affected1 vendor(s)
PublishedMay 15, 2018

Related CVEs (CWE-822)

CVE-2018-17893
9.8
CVE-2018-14811
9.8
CVE-2018-12548
9.8
CVE-2025-50165
9.8
CVE-2023-1437
9.8
CVE-2026-48137
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-7497 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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