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CVE-2026-38426

Buffer Overflow vulnerability in arendst Tasmota v.15.3.0.3 and before allows a remote attacker to execute arbitrary code via the xdrv_10_scripter.ino, fetch_jpg(), jpg_task.boundary[40], strcpy() function.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f3863bb08079c3016e7fec388570ac4ac3afad5f74105c85ea9a8b835c63a74f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-120","description":"CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6792279d1889e0369ce46472fd8ad45db783300ee606451eef0f32a1b43858a6 · sha256:873ab651801e5890… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"n/a","lang":"en","type":"text"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6792279d1889e0369ce46472fd8ad45db783300ee606451eef0f32a1b43858a6 · sha256:873ab651801e5890… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6792279d1889e0369ce46472fd8ad45db783300ee606451eef0f32a1b43858a6 · sha256:873ab651801e5890… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.3,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6792279d1889e0369ce46472fd8ad45db783300ee606451eef0f32a1b43858a6 · sha256:873ab651801e5890… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-120","description":"CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6792279d1889e0369ce46472fd8ad45db783300ee606451eef0f32a1b43858a6 · sha256:873ab651801e5890… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6792279d1889e0369ce46472fd8ad45db783300ee606451eef0f32a1b43858a6 · sha256:873ab651801e5890… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://github.com/arendst/Tasmota/blob/c207cc2/tasmota/tasmota_xdrv_driver/xdrv_10_scripter.ino"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6792279d1889e0369ce46472fd8ad45db783300ee606451eef0f32a1b43858a6 · sha256:873ab651801e5890… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/sermikr0/CVE-2026-38426"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6792279d1889e0369ce46472fd8ad45db783300ee606451eef0f32a1b43858a6 · sha256:873ab651801e5890… · /containers/adp/0/references/0
{"url":"https://github.com/sermikr0/CVE-2026-38426"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6792279d1889e0369ce46472fd8ad45db783300ee606451eef0f32a1b43858a6 · sha256:873ab651801e5890… · /containers/cna/references/1

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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