CVE-2018-4003
CRITICALCUJO Smart Firewall 7003 - Unauthenticated Heap Overflow via mDNS Resource Record Parsing
Title source: llmDescription
An exploitable heap overflow vulnerability exists in the mdnscap binary of the CUJO Smart Firewall running firmware 7003. The string lengths are handled incorrectly when parsing character strings in mDNS resource records, leading to arbitrary code execution in the context of the mdnscap process. An unauthenticated attacker can send an mDNS message to trigger this vulnerability.
References (1)
Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0672
Scores
CVSS v3
9.8
EPSS
0.0183
EPSS Percentile
76.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (1)
getcujo/smart_firewall
7003
Published
Mar 21, 2019
Tracked Since
Feb 18, 2026