CVE-2026-21553 Details
Description
In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed
A vulnerability exists in the UNISOC modem chipsets T8100, T9100, T8200, and T8300, affecting several versions of the Android operating system. This vulnerability arises from improper input validation, which could be exploited to cause a remote denial-of-service condition, without requiring any additional execution privileges.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Aug 3, 2026CISA-ADP
Assessed Aug 3, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.unisoc.com/en/support/product-security-bulletin/2084109408382668801 | [email protected] | AdvisoryBundleVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-20 | Improper Input Validation | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| UNISOC T8100 | Android13 Android14 Android15 Android16 |
CPE
Remediation
| |
| UNISOC T9100 | Android13 Android14 Android15 Android16 |
CPE
Remediation
| |
| UNISOC T8200 | Android13 Android14 Android15 Android16 |
CPE
Remediation
| |
| UNISOC T8300 | Android13 Android14 Android15 Android16 |
CPE
Remediation
| |
| Android | All versions |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 3, 2026 | CVE Modified | CISA-ADP |
| Aug 3, 2026 | New CVE Received | [email protected] |