Skip to content
CVE Tracker
  • Newest CVEsPage
  • Recently added to KEVPage
  • Rising exploitation (EPSS)Page
  • Weekly digestPage
  • StatisticsPage
  • WatchlistPage
  • API documentationPage
  • MCP serverPage
  • Data sourcesPage
  • ChangelogPage
  • AboutPage
  • How it's builtPage
Back

CVE-2026-80335

Out-of-bounds Write in Bootloader

High8.4EPSS 0.24%
Published
Updated
Reserved
Assigned by
Unisoc

Description

Memory Corruption when processing firmware update data in Download mode due to a missing bounds check.

Scores

CVSS scores of CVE-2026-80335, by who scored it
Scored byCVSSScoreVector
UnisocCNA (assigner)3.1High8.4CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVDNVD · Received3.1High7.6CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.24% · top 84% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.4.

Weakness

Affected products

  • Unisoc (Shanghai) Technologies Co., Ltd. · Bootloader

    • affected SC9863A
    • affected SC9832E
    • affected SC7731E
    • affected T310
    • affected T610
    • affected T618
    • affected T7200
    • affected T7225
    • affected T7250
    • affected T7255
    • affected T7280
    • affected T8100
    • affected T9100
    • affected T8200
    • affected T7300
    • affected T8300

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2026-80335 badge
[![CVE-2026-80335](https://trackcve.app/badge/CVE-2026-80335.svg)](https://trackcve.app/cve/CVE-2026-80335)

Record last updated .