CVE-2026-107159: high-severity vulnerability in miniupnpd
MiniUPnPd through 2.3.11 Divide-by-Zero DoS via SSDP M-SEARCH MX Header
Published
18Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1
exploitation probability
—
observed exploitation
nono source reports it
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:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
miniupnp project · miniupnpdRelated CVEs — miniupnpd
In the same product, most dangerous first.
References
https://github.com/miniupnp/miniupnphttps://github.com/miniupnp/miniupnp/blob/miniupnpd_2_3_11/miniupnpd/minissdp.c#L1143-L1158https://github.com/miniupnp/miniupnp/blob/miniupnpd_2_3_11/miniupnpd/minissdp.c#L1281https://github.com/miniupnp/miniupnp/commit/8f13b7a5843f5270db684099c0a083f98869636ahttps://www.vulncheck.com/advisories/miniupnpd-through-2.3.11-divide-by-zero-dos-via-ssdp-m-search-mx-header