CVE-2026-79405
Improper Input Validation in Modem Firmware
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. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 40th percentile. Fixed in :unknown: SoCVersion:2026-11-05.
- Severity
- 7.5 HighCVSS 3.1, CVE List
- Exploit chance
- 0.46%EPSS, 40th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
SoCVersion:2026-11-05:unknown:
Description
Transient DOS when processing a malformed NR RRC configuration message due to improper input validation.
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
Exploit likelihood
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 |
What each source reports
CVE List Score used
Improper Input Validation in Modem Firmware
Transient DOS when processing a malformed NR RRC configuration message due to improper input validation.
- 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
- 2026-11-05
EUVDEUVD-2026-116697
Transient DOS when processing a malformed NR RRC configuration message due to improper input validation.
- 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
- 2026-11-05
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
Transient DOS when processing a malformed NR RRC configuration message due to improper input validation.
- 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
- 2026-11-12
History
| Recorded | Changed | Sources |
|---|---|---|
| description | CVE List, EUVD, NVD | |
| 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.