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CVE-2026-20471

In DA, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10991588 (Note: For MT6880, MT6890, MT6990, MT6988, MT6986, MT6813) / AUTO00851171 (Note: For MT2735, MT2737); Issue ID: MSV-7790.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8103c928aed34140f54e8b67ded4a1160c0a9fa1756bab5c57771053e4735dd4
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"MediaTek chipset","vendor":"MediaTek, Inc.","versions":[{"status":"affected","version":"MT2735"},{"status":"affected","version":"MT2737"},{"status":"affected","version":"MT6813"},{"status":"affected","version":"MT6880"},{"status":"affected","version":"MT6890"},{"status":"affected","version":"MT6986"},{"status":"affected","version":"MT6988"},{"status":"affected","version":"MT6990"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f1e866ae83c9c8e4f413927a0667673c4ff7f7bf293567956fd616e3d8ca9471 · sha256:b078e4fa96c39437… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"PHYSICAL","availabilityImpact":"HIGH","baseScore":4.6,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f1e866ae83c9c8e4f413927a0667673c4ff7f7bf293567956fd616e3d8ca9471 · sha256:b078e4fa96c39437… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f1e866ae83c9c8e4f413927a0667673c4ff7f7bf293567956fd616e3d8ca9471 · sha256:b078e4fa96c39437… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://www.mediatek.com/product-security-bulletin/August-2026"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f1e866ae83c9c8e4f413927a0667673c4ff7f7bf293567956fd616e3d8ca9471 · sha256:b078e4fa96c39437… · /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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