CVE-2026-79405
Improper Input Validation in Modem Firmware
In Modem Firmware, there is a possible system crash due to improper input validation of dedicated PUCCH configuration. This could lead to remote denial of service with no additional execution privileges needed.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
What each source reports
CVE List Score used
Improper Input Validation in Modem Firmware
In Modem Firmware, there is a possible system crash due to improper input validation of dedicated PUCCH configuration. This could lead to remote denial of service with no additional execution privileges needed.
- Record
CVE-2026-79405- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-04
EUVDEUVD-2026-116697
In Modem Firmware, there is a possible system crash due to improper input validation of dedicated PUCCH configuration. This could lead to remote denial of service with no additional execution privileges needed.
- Record
EUVD-2026-116697- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-04
GitHub AdvisoriesGHSA-gcxh-jvp5-37f4
In Modem Firmware, there is a possible system crash due to improper input validation of dedicated...
In Modem Firmware, there is a possible system crash due to improper input validation of dedicated PUCCH configuration. This could lead to remote denial of service with no additional execution privileges needed.
- Record
GHSA-gcxh-jvp5-37f4- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-04
NVD
In Modem Firmware, there is a possible system crash due to improper input validation of dedicated PUCCH configuration. This could lead to remote denial of service with no additional execution privileges needed.
- Record
CVE-2026-79405- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-04
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
:unknown:Android |
SoCVersion:0 up to SoCVersion:2026-11-05, plus listed versions SoCVersion |
SoCVersion:2026-11-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, references | GitHub Advisories, NVD | |
| references | EUVD | |
| aliases, references | EUVD | |
| cwes, description, facts, products, references, severity, title | CVE List | |
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-79405 is a high vulnerability (CVSS 7.5) in Unisoc (shanghai) Technologies Co., Ltd. Modem, published November 1, 2026. No source lists public exploit code. Fixed in :unknown: SoCVersion:2026-11-05.