CVE-2026-107159MiniUPnPd through 2.3.11 Divide-by-Zero DoS via SSDP M-SEARCH MX Header
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-369
- 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
- Awaiting Analysis
- Record last updated
- Oct 7, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
miniupnp project miniupnpd miniupnp_project:miniupnpd (from the name) | through 2.3.11 | CNA record |
References
- https://github.com/miniupnp/miniupnp/commit/8f13b7a5843f5270db684099c0a083f98869636apatch
- https://github.com/miniupnp/miniupnpproduct
- https://github.com/miniupnp/miniupnp/blob/miniupnpd_2_3_11/miniupnpd/minissdp.c#L1143-L1158technical-description
- https://github.com/miniupnp/miniupnp/blob/miniupnpd_2_3_11/miniupnpd/minissdp.c#L1281technical-description
- https://www.vulncheck.com/advisories/miniupnpd-through-2.3.11-divide-by-zero-dos-via-ssdp-m-search-mx-headerthird-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.