{"id":"CVE-2026-86296","title":"A vulnerability was determined in D-Link DIR-822A A_101","summary":"A vulnerability was determined in D-Link DIR-822A A_101. This vulnerability affects the function strcpy of the file udhcpcd/serverpacket.c of the component udhcpcd. This manipulation causes stack-based buffer overflow. The attack is poss…","severity":"critical","cvss":10,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","cwe":["CWE-119","CWE-121"],"vendor":"D-Link","product":"DIR-822A","affected":["DIR-822A A_101"],"published":"2026-09-07","updated":"2026-09-08","sourceUpdated":"2026-09-08T17:18:39.613","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-86296","references":[{"url":"https://tzh00203.notion.site/D-Link-DIR-822A-Stack-Overflow-in-udhcpd-TR-111-Option-125-Parsing-33cb5c52018a80238b80e89e7c7c68f0","label":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-86296","label":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/906297","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/399458","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/399458/cti","label":"cna@vuldb.com"},{"url":"https://www.dlink.com/","label":"cna@vuldb.com"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"total","timestamp":"2026-09-08T16:48:21.039247Z"},"epss":0.01346,"epssPercentile":0.69759,"ingestedAt":"2026-09-08T15:33:26.976Z","slug":"CVE-2026-86296","body":"## Overview\n\nA vulnerability was determined in D-Link DIR-822A A_101. This vulnerability affects the function strcpy of the file udhcpcd/serverpacket.c of the component udhcpcd. This manipulation causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":67,"depthScoreParts":{"impact":55,"likelihood":0.3,"exploitation":12,"ransomware":0},"changes":[{"seq":8342,"id":"CVE-2026-86296","ts":1788919998445,"field":"exploit_available","old":"false","new":"true"},{"seq":8151,"id":"CVE-2026-86296","ts":1788919290204,"field":"exploit_available","old":"true","new":"false"},{"seq":7960,"id":"CVE-2026-86296","ts":1788916360576,"field":"exploit_available","old":"false","new":"true"},{"seq":7769,"id":"CVE-2026-86296","ts":1788915307914,"field":"exploit_available","old":"true","new":"false"},{"seq":7578,"id":"CVE-2026-86296","ts":1788912721963,"field":"exploit_available","old":"false","new":"true"},{"seq":7387,"id":"CVE-2026-86296","ts":1788911340168,"field":"exploit_available","old":"true","new":"false"},{"seq":7191,"id":"CVE-2026-86296","ts":1788909080855,"field":"exploit_available","old":"false","new":"true"},{"seq":7003,"id":"CVE-2026-86296","ts":1788907396570,"field":"exploit_available","old":"true","new":"false"},{"seq":6805,"id":"CVE-2026-86296","ts":1788905446665,"field":"exploit_available","old":"false","new":"true"},{"seq":6623,"id":"CVE-2026-86296","ts":1788903463518,"field":"exploit_available","old":"true","new":"false"},{"seq":6409,"id":"CVE-2026-86296","ts":1788901812654,"field":"exploit_available","old":"false","new":"true"},{"seq":6239,"id":"CVE-2026-86296","ts":1788899563119,"field":"exploit_available","old":"true","new":"false"},{"seq":6001,"id":"CVE-2026-86296","ts":1788898181446,"field":"exploit_available","old":"false","new":"true"},{"seq":5890,"id":"CVE-2026-86296","ts":1788895712040,"field":"exploit_available","old":"true","new":"false"},{"seq":5703,"id":"CVE-2026-86296","ts":1788894534871,"field":"exploit_available","old":"false","new":"true"},{"seq":5661,"id":"CVE-2026-86296","ts":1788891871801,"field":"exploit_available","old":"true","new":"false"},{"seq":5576,"id":"CVE-2026-86296","ts":1788888673387,"field":"exploit_available","old":"false","new":"true"},{"seq":5567,"id":"CVE-2026-86296","ts":1788888071796,"field":"exploit_available","old":"true","new":"false"}]}