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CVE-2026-107159

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

7.1 HighPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.46%Up 0.2 points since Oct 8, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.1

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

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.

Record
CVE-2026-107159
CVSS 4.0
7.1 HighCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-369
Updated
2026-11-02
EUVDEUVD-2026-94308 7.1

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.

Record
EUVD-2026-94308
CVSS 4.0
7.1 HighCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-57wm-f7xc-rw5q 7.1

MiniUPnPd through 2.3.11 built with --strict contains a divide-by-zero vulnerability in...

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.

Record
GHSA-57wm-f7xc-rw5q
CVSS 4.0
7.1 HighCVSS: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
CVSS 3.1
6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-369
Updated
2026-11-02
NVD 7.1

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.

Record
CVE-2026-107159
CVSS 4.0
7.1 HighCVSS: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
CVSS 3.1
6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-369
Updated
2026-11-02
OSV 7.1

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

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.

Record
CVE-2026-107159
CVSS 4.0
7.1 HighCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness
CWE-369
Updated
2026-11-02
OSVDEBIAN-CVE-2026-107159 7.1

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.

Record
DEBIAN-CVE-2026-107159
CVSS 4.0
7.1 HighCVSS: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
Updated
2026-11-02
OSVUBUNTU-CVE-2026-107159 7.1

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.

Record
UBUNTU-CVE-2026-107159
CVSS 4.0
7.1 HighCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
miniupnpd
Debian:12
 All versions, plus listed versions
2.3.1-12.3.10-12.3.3-12.3.4-12.3.7-12.3.7-22.3.9-12.3.9-2
 None known
miniupnpd
Debian:13
 All versions, plus listed versions
2.3.10-12.3.9-22.3.9-2+deb13u1
 None known
miniupnpd
Debian:14
 All versions, plus listed versions
2.3.10-12.3.9-2
 None known
miniupnpd
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
1.8.20140523-41.8.20140523-4.1+deb9u1build0.16.04.11.8.20140523-4.1+deb9u2build0.16.04.11.8.20140523-4.1+deb9u2ubuntu0.1~esm1
 None known
miniupnpd
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
1.8.20140523-4.11.8.20140523-4.22.0.20171212-12.0.20171212-22.0.20171212-2ubuntu0.1~esm1
 None known
miniupnpd
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
2.1-6ubuntu22.1-6.12.1-6.1ubuntu0.1~esm1
 None known
miniupnpd
Ubuntu:Pro:22.04:LTS
 All versions, plus listed versions
2.2.1-12.2.3-12.2.3-1ubuntu0.1~esm1
 None known
miniupnpd
Ubuntu:Pro:24.04:LTS
 All versions, plus listed versions
2.3.3-12.3.4-12.3.4-1ubuntu0.1~esm1
 None known
miniupnpd
Ubuntu:26.10
 All versions, plus listed versions
2.3.9-2build12.3.10-1
 None known
miniupnpd
Ubuntu:Pro:26.04:LTS
 All versions, plus listed versions
2.3.9-22.3.9-2build12.3.9-2ubuntu0.1~esm1
 None known

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
PoC in GitHubazuk4r/CVE-2026-1071592026-10-13

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-107159 is a high vulnerability (CVSS 7.1) in Miniupnp Project Miniupnpd, published October 7, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 40th percentile. No source names a fixed version.

References

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