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Public proof of concept

CVE-2017-17538

A public proof of concept exists; no exploitation attested.

  • Published2017-12-13

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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

Timeline

dates in UTC
  1. 2017-12-1309:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-17538?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-17538?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Mikrotik router firmwareversion to verify
BranchAffectedFixed in
6.40= 6.40.5no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-10-23 19:23 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-43317
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2017-12-13
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2017-17538?

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

Is CVE-2017-17538 actively exploited?

Active exploitation of CVE-2017-17538 has not been confirmed. Its EPSS score was 7.8% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-17538?

CVE-2017-17538 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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