Vulnerability Description
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 Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/ntop/nDPI
- https://github.com/ntop/nDPI/blob/6.0/src/lib/protocols/softether.c#L203
- https://github.com/ntop/nDPI/commit/ca9d819151606377ac53305583fe819748c69be2
- https://github.com/ntop/nDPI/issues/3291
- https://github.com/ntop/nDPI/pull/3298
- https://hackmd.io/@haindpwn/ndpi-softether-host-fqdn-strncmp-oob-read
- https://www.vulncheck.com/advisories/ntop-ndpi-through-6.0-out-of-bounds-read-in
FAQ
What is CVE-2026-116744?
CVE-2026-116744 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 ...
How severe is CVE-2026-116744?
CVE-2026-116744 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-116744?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.