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01 Record

CVE-2025-20644

In Modem, there is a possible memory corruption due to incorrect error handling. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker,

MediumPUBLISHEDCNA: MediaTek
CNA base score6.5 CVSS v3.xCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

02 Description

In Modem, there is a possible memory corruption due to incorrect error handling. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker,

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.38% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 31.7% of scored records. A rank, not a probability.
NVD base score
6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2025-03-03 02:25Z1 YR AGO
Last updated
2026-02-17 14:39Z8 MO AGO
Reserved
2024-11-01
Assigning CNA
MediaTek
Record state
PUBLISHED
Severity
Medium (CVSS 6.5)
CNA CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
  • CWE-1286Improper Validation of Syntactic Correctness of InputBase
Data version
5.2
Document digest
b6dcb24c3833e0fa77de5bb2dfbe5353a544cf4786b78177f94df1db37964494

05 Affected products

VendorProductVersionsPlatforms

06 References