CVE-2026-107159
MiniUPnPd through 2.3.11 built with --strict contains a divide-by-zero vulnerability in…
- Risk score
- 42/100
- CVSS
- 6.5 v3.1
- Exploit chance (30 days)
- 0.2%
- Published
- 7 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 servi…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.5 medium
References
- https://github.com/miniupnp/miniupnp
- https://github.com/miniupnp/miniupnp/blob/miniupnpd_2_3_11/miniupnpd/minissdp.c#L1143-L1158
- https://github.com/miniupnp/miniupnp/blob/miniupnpd_2_3_11/miniupnpd/minissdp.c#L1281
- https://github.com/miniupnp/miniupnp/commit/8f13b7a5843f5270db684099c0a083f98869636a
- https://www.vulncheck.com/advisories/miniupnpd-through-2.3.11-divide-by-zero-dos-via-ssdp-m-search-mx-header
Original 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.
Last activity 7 Oct 2026. Patch Forecast updates every hour.