Description
In ccci, there is a possible out of bounds write due to a missing bounds check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS11523478 (Note: For MT6880, MT6890) / ALPS11297423 (Note: For MT6813, MT6986, MT6982, MT6980D) / AUTO00864897 (Note: For MT2735, MT2737); Issue ID: MSV-10724.
Published: 2026-11-02
Score: n/a
EPSS: n/a
KEV: No
Impact: Remote Denial of Service
Action: Apply Patch
AI Analysis

Impact

The vulnerability is an out‑of‑bounds write in the ccci subsystem of MediaTek chipsets caused by a missing bounds check. An attacker who can send a malformed input to the ccci interface can overwrite adjacent memory, causing the system to crash and thereby denying service. The flaw is classified as CWE‑787 and does not grant additional execution privileges or privilege escalation.

Affected Systems

Affected solutions include MediaTek chipsets such as the MT6880, MT6890, MT6813, MT6986, MT6982, MT6980D, MT2735 and MT2737. These models are commonly found in mobile and embedded devices that rely on MediaTek processor families.

Risk and Exploitability

Because the EPSS score is unavailable and the vulnerability is not listed in CISA's KEV catalog, no quantitative exploitation probability is provided. However, the denial‑of‑service impact is critical if exploited. The flaw requires user interaction to execute malformed input, meaning an attacker could trigger it through any remote channel that can interact with the ccci interface. No privilege escalation is possible, but the lack of a bounds check enables a crash directly from malformed input.

Generated by OpenCVE AI on November 2, 2026 at 03:26 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Apply the appropriate MediaTek patch: ALPS11523478 for MT6880 and MT6890; ALPS11297423 for MT6813, MT6986, MT6982, MT6980D; AUTO00864897 for MT2735 and MT2737, which add the missing bounds check.
  • Reboot the device to load the patched firmware and clear any memory residue that could be exploited.
  • Until the patch is applied, isolate affected units from external networks or any interface that can trigger ccci operations to prevent remote denial‑of‑service attempts.

Generated by OpenCVE AI on November 2, 2026 at 03:26 UTC.

Tracking

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Advisories

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History

Mon, 02 Nov 2026 03:45:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Write in MediaTek CCCI Enables Remote Denial of Service

Mon, 02 Nov 2026 02:45:00 +0000

Type Values Removed Values Added
Description In ccci, there is a possible out of bounds write due to a missing bounds check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS11523478 (Note: For MT6880, MT6890) / ALPS11297423 (Note: For MT6813, MT6986, MT6982, MT6980D) / AUTO00864897 (Note: For MT2735, MT2737); Issue ID: MSV-10724.
Weaknesses CWE-787
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published:

Updated: 2026-11-02T02:33:10.723Z

Reserved: 2025-11-03T01:30:59.042Z

Link: CVE-2026-20552

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-02T03:17:32.170

Modified: 2026-11-02T03:17:32.170

Link: CVE-2026-20552

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-02T03:30:06Z

Weaknesses