Vulnerability in Miniupnp Project Miniupnpd
CVE-2026-107159
MiniUPnPd through 2.3.11 built with --strict contains a divide-by-zero vulnerability in ProcessSSDPData() that allows unauthenticated local network attackers to crash the daemon. Attackers can send a single multicast M-SEARCH datagram with MX: 0 and a known ST to port 1900, triggering SIGFPE and denying UPnP IGD service.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/miniupnp/miniupnp/commit/8f13b7a5843f5270db684099c0a083f98869636a (patch)
- github.com/miniupnp/miniupnp (product)
- github.com/miniupnp/miniupnp/blob/miniupnpd_2_3_11/miniupnpd/minissdp.c (technical-description)
- github.com/miniupnp/miniupnp/blob/miniupnpd_2_3_11/miniupnpd/minissdp.c (technical-description)
- www.vulncheck.com/advisories/miniupnpd-through-2.3.11-divide-by-zero-dos-via-ss… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-107159?
- CVE-2026-107159 is a medium-severity vulnerability in Miniupnp Project Miniupnpd, classified under Divide By Zero. CVSS score: 6.5/10. Published 2026-10-07.
- How severe is CVE-2026-107159?
- Medium severity. CVSS v3 base score is 6.5 out of 10.