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CVE-2026-7762

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
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f51313d426d7631d42f4a472dee9817d3031a18a601dc9f46c9e97d97735174a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"HaLowLink 2","vendor":"Morse Micro","versions":[{"lessThan":"2.11.13","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6d583c423bbe46275d2cb739df7ee4909d6efa87ce9b5f318b516da88a6cc833 · sha256:2f16fb8fad4161c7… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6d583c423bbe46275d2cb739df7ee4909d6efa87ce9b5f318b516da88a6cc833 · sha256:2f16fb8fad4161c7… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"description":"CWE-122 Heap-based Buffer Overflow","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6d583c423bbe46275d2cb739df7ee4909d6efa87ce9b5f318b516da88a6cc833 · sha256:2f16fb8fad4161c7… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://www.morsemicro.com/security-advisories/MM-SA-2026-002"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6d583c423bbe46275d2cb739df7ee4909d6efa87ce9b5f318b516da88a6cc833 · sha256:2f16fb8fad4161c7… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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