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CVE-2026-55728

Stack-based Buffer Overflow (CWE-121) in `/usr/bin/ltsudo` `cmd_ipaddr_conflict` in Loytec LIP-ME201C, L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on LINX-A64 allows a `superadmin`-group attacker to trigger a SUID-root process abort or potentially elevate privileges via an overly long interface-name argument.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:717e7e6337009d0376e7f878dc88d1b11e63823b17bc11de742e5a966b79ca06
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-DALI","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.16","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c1105cf315cecd2a2922b23f5ee5eb38c4369f3c882481f8b63f409a1917630 · sha256:4f7352aab42452d3… · /containers/cna/affected/5

{"defaultStatus":"unaffected","product":"L-IOB","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.16","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c1105cf315cecd2a2922b23f5ee5eb38c4369f3c882481f8b63f409a1917630 · sha256:4f7352aab42452d3… · /containers/cna/affected/4

{"defaultStatus":"unaffected","product":"L-INX","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.16","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c1105cf315cecd2a2922b23f5ee5eb38c4369f3c882481f8b63f409a1917630 · sha256:4f7352aab42452d3… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"L-PAD","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.16","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c1105cf315cecd2a2922b23f5ee5eb38c4369f3c882481f8b63f409a1917630 · sha256:4f7352aab42452d3… · /containers/cna/affected/7

{"defaultStatus":"unaffected","product":"LIP-ME20xC","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.16","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c1105cf315cecd2a2922b23f5ee5eb38c4369f3c882481f8b63f409a1917630 · sha256:4f7352aab42452d3… · /containers/cna/affected/0

{"defaultStatus":"unaffected","product":"L-VIS","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.16","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c1105cf315cecd2a2922b23f5ee5eb38c4369f3c882481f8b63f409a1917630 · sha256:4f7352aab42452d3… · /containers/cna/affected/6

{"defaultStatus":"unaffected","product":"L-GATE","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.16","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c1105cf315cecd2a2922b23f5ee5eb38c4369f3c882481f8b63f409a1917630 · sha256:4f7352aab42452d3… · /containers/cna/affected/2

{"defaultStatus":"unaffected","product":"L-ROC","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.16","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c1105cf315cecd2a2922b23f5ee5eb38c4369f3c882481f8b63f409a1917630 · sha256:4f7352aab42452d3… · /containers/cna/affected/3

Affected products and versions

8 source assertions
{"defaultStatus":"unaffected","product":"L-DALI","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.16","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c1105cf315cecd2a2922b23f5ee5eb38c4369f3c882481f8b63f409a1917630 · sha256:4f7352aab42452d3… · /containers/cna/affected/5
{"defaultStatus":"unaffected","product":"L-IOB","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.16","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c1105cf315cecd2a2922b23f5ee5eb38c4369f3c882481f8b63f409a1917630 · sha256:4f7352aab42452d3… · /containers/cna/affected/4
{"defaultStatus":"unaffected","product":"L-INX","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.16","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c1105cf315cecd2a2922b23f5ee5eb38c4369f3c882481f8b63f409a1917630 · sha256:4f7352aab42452d3… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"L-PAD","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.16","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c1105cf315cecd2a2922b23f5ee5eb38c4369f3c882481f8b63f409a1917630 · sha256:4f7352aab42452d3… · /containers/cna/affected/7
{"defaultStatus":"unaffected","product":"LIP-ME20xC","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.16","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c1105cf315cecd2a2922b23f5ee5eb38c4369f3c882481f8b63f409a1917630 · sha256:4f7352aab42452d3… · /containers/cna/affected/0
{"defaultStatus":"unaffected","product":"L-VIS","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.16","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c1105cf315cecd2a2922b23f5ee5eb38c4369f3c882481f8b63f409a1917630 · sha256:4f7352aab42452d3… · /containers/cna/affected/6
{"defaultStatus":"unaffected","product":"L-GATE","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.16","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c1105cf315cecd2a2922b23f5ee5eb38c4369f3c882481f8b63f409a1917630 · sha256:4f7352aab42452d3… · /containers/cna/affected/2
{"defaultStatus":"unaffected","product":"L-ROC","vendor":"Loytec","versions":[{"lessThanOrEqual":"8.4.16","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c1105cf315cecd2a2922b23f5ee5eb38c4369f3c882481f8b63f409a1917630 · sha256:4f7352aab42452d3… · /containers/cna/affected/3

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"LOCAL","baseScore":3.8,"baseSeverity":"LOW","exploitMaturity":"UNREPORTED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact"…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:1c1105cf315cecd2a2922b23f5ee5eb38c4369f3c882481f8b63f409a1917630 · sha256:4f7352aab42452d3… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-121","description":"CWE-121 Stack-based buffer overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:1c1105cf315cecd2a2922b23f5ee5eb38c4369f3c882481f8b63f409a1917630 · sha256:4f7352aab42452d3… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"tags":["vendor-advisory"],"url":"https://www.loytec.com/support/product-security/advisories/8523-dibt-cve-20260526-0005-stack-buffer-overflow-in-cmd_ipaddr_conflict-low"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1c1105cf315cecd2a2922b23f5ee5eb38c4369f3c882481f8b63f409a1917630 · sha256:4f7352aab42452d3… · /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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