7.5

CVE-2022-26446: mediatek lr12a Reachable Assertion

CVSS: 7.5v3.1HighModified
Published 08-11-2022Last modified 01-05-2025
Open JSON

Vulnerability summary

CVE-2022-26446 is a high (CVSS 7.5) Reachable Assertion vulnerability in mediatek lr12a. EPSS estimates a 1.16% chance of exploitation in the next 30 days, higher than 66.5% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.16%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-11-2022
    PublishedVulnerability first disclosed.
  2. 01-05-2025
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.16%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

+0.02 pp

From 1.14% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Mediatek4 products

1 vendor · 4 products

References

1 links