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TI-2016-05506 Aliases CVE-2016-6424GHSA-mrrg-x8wc-mhcg

The DHCP Relay implementation in Cisco Adaptive Security Appliance (ASA) Software…

Priority LOW 31CWE-399Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.01106 66th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4.7.29:*:*:*:*:*:*:*8.4.7.29VulnerableCisco
cpe:2.3:o:cisco:adaptive_security_appliance_software:9.1\(7\)4:*:*:*:*:*:*:*9.1(7)4VulnerableCisco
  • cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4.7.29:*:*:*:*:*:*:* Versions 8.4.7.29 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:adaptive_security_appliance_software:9.1\(7\)4:*:*:*:*:*:*:* Versions 9.1(7)4 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-6424
  2. 2026-10-03 Alias added: GHSA-mrrg-x8wc-mhcg

References

Advisory 1

  • TI-2025-14628 Buffer overflow in Cisco Secure Firewall Adaptive Security Appliance Software KEVCVSS 3.1CRITICAL 9.9
  • TI-2016-05454 Buffer overflow in Cisco Adaptive Security Appliance (ASA) Software through 9.4.2.3 on… KEVCVSS 3.1HIGH 8.8
  • TI-2023-06973 Authentication bypass in Cisco Adaptive Security Appliance Software KEVCVSS 3.1CRITICAL 9.1
  • TI-2026-82192 Denial of service in Cisco Secure Firewall ASA and FTD SSL VPN KEVCVSS 3.1HIGH 8.6
  • TI-2026-16533 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense… KEVCVSS 3.1HIGH 8.6
  • TI-2025-14657 Missing authorization in Cisco Secure Firewall Adaptive Security Appliance Software KEVCVSS 3.1HIGH 8.6
See all 354 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences