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Vulnerability record · CVE-2017-7458 · published 26 June 2017

CVE-2017-7458: Ntopng null pointer dereference vulnerability

Ntop · Ntopng

The NetworkInterface::getHost function in NetworkInterface.cpp in ntopng before 3.0 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty field that should have contained a hostname or IP address.

7.5 CVSS 3.0 High EPSS 1.9% · top 21.1% CWE-476 · NULL pointer dereference
7.5CVSS 3.0 base score, v2 5.0
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

The NetworkInterface::getHost function in NetworkInterface.cpp in ntopng before 3.0 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty field that should have contained a hostname or IP address.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/ntop/ntopng/blob/3.0/CHANGELOG.md Issue TrackingPatchThird Party Advisory
https://github.com/ntop/ntopng/commit/01f47e04fd7c8d54399c9e465f823f0017069f8f Issue TrackingPatchRelease NotesThird Party Advisory
https://github.com/ntop/ntopng/blob/3.0/CHANGELOG.md Issue TrackingPatchThird Party Advisory
https://github.com/ntop/ntopng/commit/01f47e04fd7c8d54399c9e465f823f0017069f8f Issue TrackingPatchRelease NotesThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-7458), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.