Medium 5.3Published Oct 26, 2026

CVE-2026-116744ntop nDPI through 6.0 Out-of-Bounds Read in SoftEther Dissector

Updated under an hour ago (Oct 29, 2026, 2:40 AM ET)

Does this affect you?

It affects ntop nDPI. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for ntop nDPI

Exploited in the last 30 days

ntop nDPI through 6.0 contains an out-of-bounds read vulnerability in dissect_softether_host_fqdn() in softether.c that compares host_name using the consumed byte count instead of data length. Remote attackers can send crafted short UDP datagrams on already-classified SoftEther flows, causing strncmp to read beyond the packet payload buffer.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness (CWE): CWE-125
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 26, 2026
First seen by InfoSec Signals: Oct 26, 2026

Affected products

Affected products

ntop nDPI ntop:ndpi (from the name)	through 6.0	CNA record

References

References

https://github.com/ntop/nDPI/pull/3298	issue-tracking, patch
https://github.com/ntop/nDPI/commit/ca9d819151606377ac53305583fe819748c69be2	patch
https://github.com/ntop/nDPI	product
https://github.com/ntop/nDPI/blob/6.0/src/lib/protocols/softether.c#L203	technical-description
https://hackmd.io/@haindpwn/ndpi-softether-host-fqdn-strncmp-oob-read	third-party-advisory
https://github.com/ntop/nDPI/issues/3291	issue-tracking
https://www.vulncheck.com/advisories/ntop-ndpi-through-6.0-out-of-bounds-read-in-softether-dissector	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.