SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-5234

The Norton Core router prior to v237 may be susceptible to a command injection exploit.

EXPLOITHIGH 8.0EPSS 15.3%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 15.3%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.0
8.0 HIGHCVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
15.27% probability · 97th percentile
Public exploits
1 in Exploit-DB · first 2 May 2018
CISA KEV
Not listed
Affected
symantec/norton core firmware
Source
secure@symantec.com
EPSS trend
0%10%20%21 September 2026: 10.63%22 September 2026: 16.39%27 September 2026: 15.27%27 October 2026: 15.27%21 September 202627 October 2026

EPSS moved from 10.6% on 21 September 2026 to 15.3% on 27 October 2026, peaking at 16.4% on 22 September 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-44574source ↗Norton Core Secure WiFi Router - 'BLE' Command Injection (PoC)hardware · embediremote2 May 2018no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.