Vulnerability · Published Aug 3, 2026 · Assigned by Unisoc

CVE-2026-21553

High 7.5

In plain English

A high-severity improper input validation in T8100/T9100/T8200/T8300 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 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.7%top 46.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed

Affected products (as reported)

VendorProductVersions
Unisoc (Shanghai) Technologies Co., Ltd. T8100/T9100/T8200/T8300 Android13/Android14/Android15/Android16

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References