CVE-2026-80335
High
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.
SeverityHigh
CVSS7.6
Exploit probability—
ProductBootloader
PublishedNov 4, 2026
First seenNov 4, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Unisoc (Shanghai) Technologies Co., Ltd. Bootloader | SC9863A, SC9832E, SC7731E, T310, T610, T618, T7200, T7225, T7250, T7255, T7280, T8100, T9100, T8200, T7300, T8300 | — |
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