Out-of-Bounds Write Vulnerability in Unisoc Bootloader Download Module
CVE-2026-80335
8.4HIGH
Key Information:
- Status
- Vendor
- CVE Published:
- 4 November 2026
What is CVE-2026-80335?
The bootloader download module from Unisoc exhibits a vulnerability where a failure to reset a global offset variable during firmware updates may cause out-of-bounds writes. This flaw can potentially lead to heap memory corruption, resulting in system crashes or the execution of arbitrary code without requiring additional execution privileges. Users of affected products should assess their systems for security implications and apply necessary mitigations.
Affected Version(s)
Bootloader SC9863A
Bootloader SC9832E
Bootloader SC7731E
