{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-7762", "assignerOrgId": "4ac701fe-44e9-4bcd-9585-dd6449257611", "state": "PUBLISHED", "assignerShortName": "Bugcrowd", "dateReserved": "2026-05-04T05:02:07.918Z", "datePublished": "2026-06-05T01:36:20.993Z", "dateUpdated": "2026-06-05T01:36:20.993Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "4ac701fe-44e9-4bcd-9585-dd6449257611", "shortName": "Bugcrowd", "dateUpdated": "2026-06-05T01:36:20.993Z"}, "title": "Heap buffer overflow in dot11ah.ko S1G Capabilities IE processing", "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-122 Heap-based Buffer Overflow"}]}], "affected": [{"vendor": "Morse Micro", "product": "HaLowLink 2", "versions": [{"version": "0", "status": "affected", "lessThan": "2.11.13", "versionType": "semver"}], "defaultStatus": "unaffected"}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:morsemicro:halow_link_2:*:*:*:*:*:*:*:*", "versionStartIncluding": "0", "versionEndExcluding": "2.11.13"}]}]}], "descriptions": [{"lang": "en", "value": "A heap-based buffer overflow vulnerability in the dot11ah.ko HaLow Wi-Fi kernel driver in Morse Micro HaLowLink 2 software versions prior to 2.11.13 allows an unauthenticated attacker within radio range to cause a Denial of Service (kernel panic) or potentially achieve Remote Code Execution via a crafted 802.11ah beacon or probe response frame containing a malformed S1G Capabilities Information Element (IE element ID 0xD9). The function morse_dot11ah_find_s1g_caps_for_bssid() uses the IE length field directly as the size argument to memcpy without validating it against the 15-byte destination buffer. An attacker can supply up to 255 bytes, causing an overflow of up to 240 bytes of attacker-controlled data into adjacent kernel heap memory. The vulnerability is triggerable during normal scanning without authentication, association, or user interaction."}], "references": [{"url": "https://www.morsemicro.com/security-advisories/MM-SA-2026-002"}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "A heap-based buffer overflow vulnerability in the dot11ah.ko HaLow Wi-Fi kernel driver in Morse Micro HaLowLink 2 software versions prior to 2.11.13 allows an unauthenticated attacker within radio range to cause a Denial of Service (kernel panic) or potentially achieve Remote Code Execution via a crafted 802.11ah beacon or probe response frame containing a malformed S1G Capabilities Information Element (IE element ID 0xD9). The function morse_dot11ah_find_s1g_caps_for_bssid() uses the IE length field directly as the size argument to memcpy without validating it against the 15-byte destination buffer. An attacker can supply up to 255 bytes, causing an overflow of up to 240 bytes of attacker-controlled data into adjacent kernel heap memory. The vulnerability is triggerable during normal scanning without authentication, association, or user interaction."}], "id": "CVE-2026-7762", "lastModified": "2026-06-05T02:17:14.510", "metrics": {}, "published": "2026-06-05T02:17:14.510", "references": [{"source": "4ac701fe-44e9-4bcd-9585-dd6449257611", "url": "https://www.morsemicro.com/security-advisories/MM-SA-2026-002"}], "sourceIdentifier": "4ac701fe-44e9-4bcd-9585-dd6449257611", "vulnStatus": "Received"}

{}

{"created": "2026-06-05T04:45:32.037676+00:00", "updated": "2026-06-05T04:45:32.037688+00:00", "vendors": [], "weaknesses": ["CWE-122", "CWE-119"]}