{"id":"CVE-2025-55086","title":"In NetXDuo version before 6.4.4, a networking support module for Eclipse Foundation ThreadX, in the DHCPV6 client there was an unchecked index extracting the server DUID from the server reply","summary":"In NetXDuo version before 6.4.4, a networking support module for Eclipse Foundation ThreadX, in the DHCPV6 client there was an unchecked index extracting the server DUID from the server reply. With a crafted packet, an attacker could cau…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-125","CWE-1285","CWE-125"],"vendor":"eclipse","product":"threadx_netx_duo","affected":["threadx_netx_duo < 6.4.4.202503"],"patched":["threadx_netx_duo 6.4.4.202503"],"published":"2025-10-20","updated":"2026-10-08","sourceUpdated":"2026-10-08T22:10:00.563","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-55086","references":[{"url":"https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-99pw-cp79-2j5j","label":"emo@eclipse.org"}],"tags":["nvd"],"epss":0.00413,"epssPercentile":0.3355,"ingestedAt":"2026-10-08T22:11:53.820Z","slug":"CVE-2025-55086","body":"## Overview\n\nIn NetXDuo version before 6.4.4, a networking support module for Eclipse Foundation ThreadX, in the DHCPV6 client there was an unchecked index extracting the server DUID from the server reply. With a crafted packet, an attacker could cause an out of memory read.\n\n## Affected\n\n- `threadx_netx_duo < 6.4.4.202503`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `threadx_netx_duo 6.4.4.202503`","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}