CVE-2025-63829

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

0.32% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 24.2% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Analyzed. 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.

Published

2025-11-18 00:00Z9 MO AGO

Last updated

2025-11-18 17:12Z9 MO AGO

Reserved

2025-10-27

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weaknesses

• CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')Base
• CWE-190Integer Overflow or WraparoundBase

Data version

5.2

Document digest

ab4fb998cb5277d0c93d2c8781f40198eecad08fdb92486e4edc666baffab9e3

• github.comhttps://github.com/eProsima/Fast-DDS/blob/master/src/cpp/fastdds/core/Time_t.cpp#L67
• gist.github.comhttps://gist.github.com/lkloliver/b00377bec754d4aa1dc731be210d5889