CVE-2022-26446
In Modem 4G RRC, there is a possible system crash due to improper input validation. This could...
In Modem 4G RRC, there is a possible system crash due to improper input validation. This could lead to remote denial of service, when concatenating improper SIB12 (CMAS message), with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00867883; Issue ID: ALPS07274118.
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
What each source reports
NVD Score used
In Modem 4G RRC, there is a possible system crash due to improper input validation. This could lead to remote denial of service, when concatenating improper SIB12 (CMAS message), with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00867883; Issue ID: ALPS07274118.
- Record
CVE-2022-26446- 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-617
- Updated
- 2026-11-02
CVE List
In Modem 4G RRC, there is a possible system crash due to improper input validation. This could lead to remote denial of service, when concatenating improper SIB12 (CMAS message), with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00867883; Issue ID: ALPS07274118.
- Record
CVE-2022-26446- 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-617
- Updated
- 2026-11-02
EUVDEUVD-2022-31005
In Modem 4G RRC, there is a possible system crash due to improper input validation. This could lead to remote denial of service, when concatenating improper SIB12 (CMAS message), with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00867883; Issue ID: ALPS07274118.
- Record
EUVD-2022-31005- 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
- 2026-11-02
GitHub AdvisoriesGHSA-q5jj-rrmh-qqh6
In Modem 4G RRC, there is a possible system crash due to improper input validation. This could...
In Modem 4G RRC, there is a possible system crash due to improper input validation. This could lead to remote denial of service, when concatenating improper SIB12 (CMAS message), with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00867883; Issue ID: ALPS07274118.
- Record
GHSA-q5jj-rrmh-qqh6- 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-617
- Updated
- 2026-11-02
Affected products
- mediatek lr12a
- mediatek lr13
- mediatek nr15
- mediatek nr16
- mediatek, inc. mt2731, mt2735, mt6297, mt6725, mt6739, mt6761, mt6762, mt6762d, mt6762m, mt6763, mt6765, mt6765t, mt6767, mt6768, mt6769, mt6769t, mt6769z, mt6771, mt6779, mt6781, mt6783, mt6785, mt6785t, mt6789, mt6833, mt6853, mt6855, mt6873, mt6875, mt6877, mt6879, mt6880, mt6883, mt6885, mt6889, mt6890, mt6891, mt6893, mt6895, mt6983, mt8385, mt8666, mt8667, mt8675, mt8765, mt8766, mt8768, mt8786, mt8788, mt8789, mt8791, mt8797
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-26446 is a high vulnerability (CVSS 7.5) in Mediatek Lr12a, published November 8, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.32%, the 70th percentile. No source names a fixed version.