Description
Memory Corruption when processing firmware update data in Download mode due to a missing bounds check.
Published: 2026-11-04
Score: 8.4 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 05 Nov 2026 06:45:00 +0000

Type Values Removed Values Added
Description In the bootloader download module, there is a possible out-of-bounds write. This could lead to heap memory corruption with no additional execution privileges needed. Memory Corruption when processing firmware update data in Download mode due to a missing bounds check.

Thu, 05 Nov 2026 02:30:00 +0000

Type Values Removed Values Added
Description In the bootloader download module, there is a possible out-of-bounds write. This could lead to heap memory corruption, system crash, or arbitrary code execution. In the bootloader download module, there is a possible out-of-bounds write. This could lead to heap memory corruption with no additional execution privileges needed.

Thu, 05 Nov 2026 02:15:00 +0000

Type Values Removed Values Added
Description In the bootloader download module, there is a possible out-of-bounds write due to a failure to reset a global offset variable during firmware update sessions. This could lead to heap memory corruption, system crash, or potential arbitrary code execution with no additional execution privileges needed. In the bootloader download module, there is a possible out-of-bounds write. This could lead to heap memory corruption, system crash, or arbitrary code execution.

Wed, 04 Nov 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 04 Nov 2026 04:00:00 +0000


Wed, 04 Nov 2026 03:30:00 +0000

Type Values Removed Values Added
Description In the bootloader download module, there is a possible out-of-bounds write due to a failure to reset a global offset variable during firmware update sessions. This could lead to heap memory corruption, system crash, or potential arbitrary code execution with no additional execution privileges needed.
Title Out-of-bounds Write in Bootloader
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'}


Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: Unisoc

Published:

Updated: 2026-11-05T07:01:13.075Z

Reserved: 2026-08-26T08:48:20.974Z

Link: CVE-2026-80335

cve-icon Vulnrichment

Updated: 2026-11-04T15:11:06.521Z

cve-icon NVD

Status : Received

Published: 2026-11-04T04:17:37.623

Modified: 2026-11-05T07:17:27.590

Link: CVE-2026-80335

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-05T07:30:14Z

Weaknesses