{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-7763", "assignerOrgId": "4ac701fe-44e9-4bcd-9585-dd6449257611", "state": "PUBLISHED", "assignerShortName": "Bugcrowd", "dateReserved": "2026-05-04T05:03:00.671Z", "datePublished": "2026-06-05T01:39:33.488Z", "dateUpdated": "2026-06-05T01:39:33.488Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "4ac701fe-44e9-4bcd-9585-dd6449257611", "shortName": "Bugcrowd", "dateUpdated": "2026-06-05T01:39:33.488Z"}, "title": "Heap buffer overflow in morse.ko TIM 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 morse.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 frame containing a malformed Traffic Indication Map (TIM) Information Element. The function morse_page_slicing_process_tim_element() in page_slicing.c derives the TIM bitmap length directly from a received IE field without validating it against the fixed-size destination buffer before passing it to memset and memcpy operations, allowing up to 252 bytes of attacker-controlled data to be written beyond the buffer boundary. Because beacons are broadcast frames processed during passive scanning, no authentication, association, or user interaction is required."}], "references": [{"url": "https://www.morsemicro.com/security-advisories/MM-SA-2026-001"}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "A heap-based buffer overflow vulnerability in the morse.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 frame containing a malformed Traffic Indication Map (TIM) Information Element. The function morse_page_slicing_process_tim_element() in page_slicing.c derives the TIM bitmap length directly from a received IE field without validating it against the fixed-size destination buffer before passing it to memset and memcpy operations, allowing up to 252 bytes of attacker-controlled data to be written beyond the buffer boundary. Because beacons are broadcast frames processed during passive scanning, no authentication, association, or user interaction is required."}], "id": "CVE-2026-7763", "lastModified": "2026-06-05T02:17:14.640", "metrics": {}, "published": "2026-06-05T02:17:14.640", "references": [{"source": "4ac701fe-44e9-4bcd-9585-dd6449257611", "url": "https://www.morsemicro.com/security-advisories/MM-SA-2026-001"}], "sourceIdentifier": "4ac701fe-44e9-4bcd-9585-dd6449257611", "vulnStatus": "Received"}

{}

{}