HOMEVULNERABILITIESCVE-2018-5234
HIGHPOC

CVE-2018-5234

NVD-CWE-noinfoPublished: April 30, 2018· Updated: Jun 17, 2026

8.0
CVSS v3.1

Official Description

The Norton Core router prior to v237 may be susceptible to a command injection exploit. This is a type of attack in which the goal is execution of arbitrary commands on the host system via vulnerable software.

NVD Source

Technical Analysis

CVE-2018-5234 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

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 8.0.

A proof-of-concept (PoC) exploit exists for CVE-2018-5234. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

symantec2 product(s)
norton core firmwarenorton core
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
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/103955
ADVISORYhttps://www.exploit-db.com/exploits/44574/
ADVISORYhttps://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20180430_00
ADVISORYhttp://www.securityfocus.com/bid/103955
ADVISORYhttps://www.exploit-db.com/exploits/44574/
ADVISORYhttps://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20180430_00

All References (6)

→
http://www.securityfocus.com/bid/103955Third Party Advisory · VDB Entry
→
https://www.exploit-db.com/exploits/44574/Exploit · Third Party Advisory · VDB Entry
→
https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20180430_00Vendor Advisory
→
http://www.securityfocus.com/bid/103955Third Party Advisory · VDB Entry
→
https://www.exploit-db.com/exploits/44574/Exploit · Third Party Advisory · VDB Entry
→
https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20180430_00Vendor Advisory

Quick Facts

CVE IDCVE-2018-5234
CVSS Score8.0 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedApr 30, 2018

Related CVEs (NVD-CWE-noinfo)

CVE-2009-1422
10.0
CVE-2012-1533
10.0
CVE-2014-2624
10.0
CVE-2009-3099
10.0
CVE-2017-12542
10.0
CVE-2012-5088
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-5234 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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