Read the docs
TI-2017-12815 Aliases CVE-2017-17538GHSA-q3jj-mg7c-37gr

MikroTik v6.40.5 devices allow remote attackers to cause a denial of service via a flood of ICMP packets.

Priority MEDIUM 43Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

MikroTik v6.40.5 devices allow remote attackers to cause a denial of service via a flood of ICMP packets.

Why it matters now

EPSS 0.07788 94th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
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:mikrotik:router_firmware:6.40.5:*:*:*:*:*:*:*6.40.5VulnerableMikroTik
cpe:2.3:h:mikrotik:router:-:*:*:*:*:*:*:*not specified by NVDRunning onMikroTik
  • cpe:2.3:o:mikrotik:router_firmware:6.40.5:*:*:*:*:*:*:* Versions 6.40.5 Vulnerable ·MikroTik
  • cpe:2.3:h:mikrotik:router:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MikroTik

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-17538
  2. 2026-10-03 Alias added: GHSA-q3jj-mg7c-37gr

References

Exploit 1

  • TI-2018-07135 A vulnerability in MikroTik Version 6.41.4 could allow an unauthenticated remote attacker… CVSS 3.0HIGH 7.5

Sources