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CVE-2018-3969

HIGH

7.8

CVSS Score

Published: March 21, 2019 at 03:26 PM UTC

Updated: June 17, 2026 at 01:58 AM UTC

1 product affected across 1 vendorSmart Firewall

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Severity

HIGH7.8

Exploit prediction

EPSS 0.5%

Description

An exploitable vulnerability exists in the verified boot protection of the CUJO Smart Firewall. It is possible to add arbitrary shell commands into the dhcpd.conf file, that persist across reboots and firmware updates, and thus allow for executing unverified commands. To trigger this vulnerability, a local attacker needs to be able to write into /config/dhcpd.conf.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Smart Firewall · Getcujo

95%

7003 CUJO Smart Firewall - Firmware version 7003

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitThird Party Advisory

Source: [email protected]

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0634

CVSS

7.8HIGH[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-78

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