Vulnerability · Published Nov 4, 2026 · Assigned by Unisoc
CVE-2026-80335Out-of-bounds Write in Bootloader
High 8.4
In plain English
A high-severity out-of-bounds write in Bootloader from Unisoc (Shanghai) Technologies Co., Ltd.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Severity (CVSS 3.1)8.4High
Exploit odds (30 days)0.2%top 84.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Memory Corruption when processing firmware update data in Download mode due to a missing bounds check.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unisoc (Shanghai) Technologies Co., Ltd. | Bootloader | SC9863ASC9832ESC7731ET310T610T618T7200T7225 |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H