CVE-2026-112062Medium· 5.9▾ TwilightPoC availableA flaw was found in lwIP. An adjacent attacker on the local network can cause a Denial of Service (DoS) by sending specially crafted multicast Domain Name System (mDNS) responses with invalid domain names or record lengths. Processing thes…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 32.5 · likelihood 0.1 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the vendor's CSAF advisory record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 19.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
Exploit / PoC code exists
Last analysed / modified upstream
0.2% → 0.4%
A flaw was found in lwIP. An adjacent attacker on the local network can cause a Denial of Service (DoS) by sending specially crafted multicast Domain Name System (mDNS) responses with invalid domain names or record lengths. Processing these malformed packets during a service search triggers a stack-based buffer overflow, corrupting memory and causing the affected device to crash.
lwip: lwIP: Denial of Service via stack buffer overflow in mDNS response handling. Released 2026-10-18, updated 2026-10-21.
Not affected:
Refer to the advisory for fix availability.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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