[ CVE-2026-116744 · Published 26 Oct 2026 ]
Vulnerability in ntop nDPI
CVSS 5.3
EPSS <1%No fix listed yet
[ Description ]Official 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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- github.com/ntop/nDPI
- github.com/ntop/nDPI/blob/6.0/src/lib/protocols/softether.c
- github.com/ntop/nDPI/commit/ca9d819151606377ac53305583fe819748c69be2
- github.com/ntop/nDPI/issues/3291
- github.com/ntop/nDPI/pull/3298
- hackmd.io/@haindpwn/ndpi-softether-host-fqdn-strncmp-oob-read
- www.vulncheck.com/advisories/ntop-ndpi-through-6.0-out-of-bounds-read-in-softether-diss…