HOMEVULNERABILITIESCVE-2018-11689
MEDIUM

CVE-2018-11689

CWE-79Published: June 14, 2018· Updated: Jun 17, 2026

6.1
CVSS v3.1

Official Description

Web Viewer for Hanwha DVR 2.17 and Smart Viewer in Samsung Web Viewer for Samsung DVR are vulnerable to XSS via the /cgi-bin/webviewer_login_page data3 parameter. (The same Web Viewer codebase was transitioned from Samsung to Hanwha.)

NVD Source

Technical Analysis

CVE-2018-11689 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.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeChanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected Vendors & Products

hanwha-security18 product(s)
hrd-1642 firmwarehrd-1642hrd-842 firmwarehrd-842hrd-442 firmwarehrd-442hrd-1641 firmwarehrd-1641hrd-841 firmwarehrd-841hrd-840 firmwarehrd-840+6
Samsung1 product(s)
smartviewer
Source: NVD CPE · 19 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (8)

http://www.securityfocus.com/archive/1/542083/100/0/threadedExploit · Third Party Advisory · VDB Entry · URL Repurposed
https://seclists.org/bugtraq/2018/Jun/40Exploit · Mailing List · Third Party Advisory
http://www.securityfocus.com/archive/1/542083/100/0/threadedExploit · Third Party Advisory · VDB Entry · URL Repurposed
https://seclists.org/bugtraq/2018/Jun/40Exploit · Mailing List · Third Party Advisory

Quick Facts

CVE IDCVE-2018-11689
CVSS Score6.1 / 10
SeverityMEDIUM
WeaknessCWE-79
CISA KEVNo
Affected2 vendor(s)
PublishedJun 14, 2018

Related CVEs (CWE-79)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2018-11689 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.