High severity · published Nov 8, 2022
CVE-2022-26446
In Modem 4G RRC, there is a possible system crash due to improper input validation
7.5
CVSS
1.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LR
Lr12a · Mediatek
All versions, or not specified · source: NVD
LR
Lr13 · Mediatek
All versions, or not specified · source: NVD
NR
Nr15 · Mediatek
All versions, or not specified · source: NVD
NR
Nr16 · Mediatek
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-26446
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-26446
Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/November-2022
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