MEDIUMCVSS v3.1 5.9Vulnerability
CVE-2026-112062
lwIP through 2.2.1 contains a stack out-of-bounds write vulnerability in mdns_handle_response that allows adjacent attackers to corrupt stack memory by sending mDNS responses with invalid domain names. Attackers on the local link can send multicast PTR answers with oversized RDLENGTH or SRV answers with RDLENGTH below 6 during a service search, overflowing a 256-byte stack buffer and crashing the device.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-10-20T21:14:08.448323+00:00
- Epss score
- 0.00229
- Cvss score
- 5.9
- Cvss severity
- MEDIUM
- Retrieved at
- 2026-10-21T01:24:48+00:00
- Last source
- FIRST EPSS
- Cvss version
- 3.1
- Score
- 5.9
- Cve id
- CVE-2026-112062
- Cvss vector
- CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
- First seen by Signal
- 2026-10-18T13:39:04+00:00
- Vector
- CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
- Published at
- 2026-10-18T13:16:38.750
- Last modified
- 2026-10-19T21:13:39.973
- Epss percentile
- 0.12899
Related Entities (1)
HAS_WEAKNESS (1)
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