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Public proof of conceptAwaiting NVD analysis

CVE-2026-107159

MiniUPnPd through 2.3.11 Divide-by-Zero DoS via SSDP M-SEARCH MX Header

A public proof of concept exists; no exploitation attested.

  • Published2026-10-07
  • WeaknessCWE-369

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2026-10-0712:17CVE publishedNVD

Versions per branch

Products declared by the CNA1 product

As VulnCheck, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • miniupnp project miniupnpdother versions: not affected
    Affected
    • ≤ 2.3.11no fix statedsemver

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-10-07

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • miniupnpdUbuntu:Pro:26.04:LTSall versions · no fixed version listed
  • miniupnpdUbuntu:Pro:24.04:LTSall versions · no fixed version listed
  • miniupnpdUbuntu:Pro:22.04:LTSall versions · no fixed version listed
  • miniupnpdUbuntu:Pro:20.04:LTSall versions · no fixed version listed
  • miniupnpdUbuntu:Pro:18.04:LTSall versions · no fixed version listed
  • miniupnpdUbuntu:Pro:16.04:LTSall versions · no fixed version listed
  • miniupnpdUbuntu:26.10all versions · no fixed version listed
  • miniupnpdDebian:14all versions · no fixed version listed

2 more package ranges on OSV.dev

Vendor advisories

  • CVE-2026-107159 Red Hat Product Security

    miniupnpd: miniupnpd: Denial of Service via crafted SSDP search request

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-11-01 01:02 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE recordread 2026-10-23
  • CISA-ADPSSVC decisionnone2026-10-07
  • CNACVSS 4.07.1known since 2026-10-23
  • CNACVSS 3.16.5known since 2026-10-23
  • CNAweakness (CWE)CWE-369known since 2026-10-23
  • FIRST EPSSEPSS score0.5 %2026-11-08
  • PoC-in-GitHubproof of concept1known since 2026-11-01
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 4.0 vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2026-10-07
Last Modified
2026-10-07
NVD status
Awaiting Analysis
GitHub Advisory
GHSA-57wm-f7xc-rw5q

Frequently asked questions

What is 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.

Is CVE-2026-107159 actively exploited?

Active exploitation of CVE-2026-107159 has not been confirmed. Its EPSS score was 0.5% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-107159?

CVE-2026-107159 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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