{"id":"CVE-2026-85079","title":"Out-of-bounds write in Zigbee Simple_Desc_req handling","summary":"In EmberZNet 9.1.1 and earlier, a malformed Simple_Desc_req response can result in an out-of-bounds write potentially leading to remote code execution. This response must come from a device that has already joined the network, and the at…","severity":"high","cvss":7.5,"cvssVector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","cvssSource":"cna","cwe":["CWE-121"],"vendor":"Silicon Labs","product":"EmberZNet","affected":["EmberZNet <= 9.1.1"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-22T18:26:02.474867Z"},"published":"2026-10-22","updated":"2026-10-22","sourceUpdated":"2026-10-22T19:00:32.213Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-85079","references":[{"url":"https://github.com/SiliconLabsSoftware/docs-security-advisories/blob/main/Advisories/500-599/A-00000589.md"}],"tags":["cve.org"],"ingestedAt":"2026-10-22T22:00:50.375Z","slug":"CVE-2026-85079","body":"## Overview\n\nIn EmberZNet 9.1.1 and earlier, a malformed Simple_Desc_req response can result in an out-of-bounds write potentially leading to remote code execution. This response must come from a device that has already joined the network, and the attacker must wait for a Simple_Desc_req before the attack can be performed.\n\n## Affected\n\n- `EmberZNet <= 9.1.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}