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CVE-2026-55732

Out-of-bounds Read (CWE-125) in BACnet packet parsing (`bacdt_datetime_to_tod`) in Loytec LIP-ME201C, L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.18 on LINX-A64 allows an unauthenticated remote attacker to crash `linx_a64.exe` and ultimately reboot the device via a malformed BACnet TimeSynchronization or UTC-TimeSynchronization packet with an invalid month value. The same vulnerability affects multiple other Loytec products.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0c6927628811218ba85ab9389093d1e849660eb2b62cc001fefcf1bbf6831fd9
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 8 assertions

{"defaultStatus":"unaffected","product":"L-VIS","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.18","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ea2858a0d473a4dc1b593ae135ecdce4243546d676f0c197b0dad94e4459cdd1 · sha256:c15b31013656555f… · /containers/cna/affected/6

{"defaultStatus":"unaffected","product":"L-GATE","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.18","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ea2858a0d473a4dc1b593ae135ecdce4243546d676f0c197b0dad94e4459cdd1 · sha256:c15b31013656555f… · /containers/cna/affected/2

{"defaultStatus":"unaffected","product":"L-ROC","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.18","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ea2858a0d473a4dc1b593ae135ecdce4243546d676f0c197b0dad94e4459cdd1 · sha256:c15b31013656555f… · /containers/cna/affected/3

{"defaultStatus":"unaffected","product":"L-DALI","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.18","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ea2858a0d473a4dc1b593ae135ecdce4243546d676f0c197b0dad94e4459cdd1 · sha256:c15b31013656555f… · /containers/cna/affected/5

{"defaultStatus":"unaffected","product":"L-INX","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.18","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ea2858a0d473a4dc1b593ae135ecdce4243546d676f0c197b0dad94e4459cdd1 · sha256:c15b31013656555f… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"L-IOB","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.18","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ea2858a0d473a4dc1b593ae135ecdce4243546d676f0c197b0dad94e4459cdd1 · sha256:c15b31013656555f… · /containers/cna/affected/4

{"defaultStatus":"unaffected","product":"L-PAD","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.18","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ea2858a0d473a4dc1b593ae135ecdce4243546d676f0c197b0dad94e4459cdd1 · sha256:c15b31013656555f… · /containers/cna/affected/7

{"defaultStatus":"unaffected","product":"LIP-ME20xC","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.18","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ea2858a0d473a4dc1b593ae135ecdce4243546d676f0c197b0dad94e4459cdd1 · sha256:c15b31013656555f… · /containers/cna/affected/0

Affected products and versions

8 source assertions
{"defaultStatus":"unaffected","product":"L-VIS","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.18","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ea2858a0d473a4dc1b593ae135ecdce4243546d676f0c197b0dad94e4459cdd1 · sha256:c15b31013656555f… · /containers/cna/affected/6
{"defaultStatus":"unaffected","product":"L-GATE","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.18","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ea2858a0d473a4dc1b593ae135ecdce4243546d676f0c197b0dad94e4459cdd1 · sha256:c15b31013656555f… · /containers/cna/affected/2
{"defaultStatus":"unaffected","product":"L-ROC","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.18","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ea2858a0d473a4dc1b593ae135ecdce4243546d676f0c197b0dad94e4459cdd1 · sha256:c15b31013656555f… · /containers/cna/affected/3
{"defaultStatus":"unaffected","product":"L-DALI","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.18","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ea2858a0d473a4dc1b593ae135ecdce4243546d676f0c197b0dad94e4459cdd1 · sha256:c15b31013656555f… · /containers/cna/affected/5
{"defaultStatus":"unaffected","product":"L-INX","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.18","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ea2858a0d473a4dc1b593ae135ecdce4243546d676f0c197b0dad94e4459cdd1 · sha256:c15b31013656555f… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"L-IOB","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.18","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ea2858a0d473a4dc1b593ae135ecdce4243546d676f0c197b0dad94e4459cdd1 · sha256:c15b31013656555f… · /containers/cna/affected/4
{"defaultStatus":"unaffected","product":"L-PAD","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.18","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ea2858a0d473a4dc1b593ae135ecdce4243546d676f0c197b0dad94e4459cdd1 · sha256:c15b31013656555f… · /containers/cna/affected/7
{"defaultStatus":"unaffected","product":"LIP-ME20xC","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.18","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ea2858a0d473a4dc1b593ae135ecdce4243546d676f0c197b0dad94e4459cdd1 · sha256:c15b31013656555f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ea2858a0d473a4dc1b593ae135ecdce4243546d676f0c197b0dad94e4459cdd1 · sha256:c15b31013656555f… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-125","description":"CWE-125 Out-of-bounds read","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ea2858a0d473a4dc1b593ae135ecdce4243546d676f0c197b0dad94e4459cdd1 · sha256:c15b31013656555f… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"tags":["vendor-advisory"],"url":"https://www.loytec.com/support/product-security/advisories/8532-dibt-cve-20260608-0001-bacnet-crash-due-to-invalid-timesync-message-high"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ea2858a0d473a4dc1b593ae135ecdce4243546d676f0c197b0dad94e4459cdd1 · sha256:c15b31013656555f… · /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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