UpHeron
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Servers and applications

CVE-2016-6424

The DHCP Relay implementation in Cisco Adaptive Security Appliance (ASA) Software 8.4.7.29 and 9.1.7.4 allows remote attackers to cause a denial of service (interface wedge) via a crafted rate of DHCP packet transmission, aka Bug ID CSCuy66942.

Severity
Medium 6.5
Published
6 Oct 2016
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.1% in the next 30 daysHigher than 66% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
CWE-399
Attack
From the same local network · No login needed · No user action needed
Attacker can
Take it down
CVSS vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Sources
NVD

Affected software

SoftwareAffected versions
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software
  • Version 8.4.7.29
  • Version 9.1(7)4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-6424
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-6424