SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-26446

In Modem 4G RRC, there is a possible system crash due to improper input validation.

HIGH 7.5EPSS 1.14%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.14% probability · 65th percentile
CISA KEV
Not listed
Weakness
CWE-617
Affected
mediatek/lr12a · mediatek/lr13 · mediatek/nr15 · mediatek/nr16
Source
security@mediatek.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.