Security readout for executives and security teams
Plain-English summary
CVE-2025-65865 is a high-severity denial-of-service issue in eProsima Fast-DDS v3.3. A remote, unauthenticated attacker may be able to crash or disrupt availability using crafted input. The source bundle does not identify a vendor patch or confirm real-world exploitation.
Executive priority
Treat this as a high-priority availability risk for environments that depend on Fast-DDS. Prioritize asset discovery and exposure reduction now, then apply vendor remediation when confirmed. Business urgency depends on whether affected deployments support safety, operational, or customer-facing services.
Technical view
The CVE describes an integer overflow, CWE-190, in eProsima Fast-DDS v3.3. CVSS 3.1 is 7.5 with network attack vector, low complexity, no privileges, no user interaction, unchanged scope, and high availability impact only.
Likely exposure
Exposure is most likely where eProsima Fast-DDS v3.3 is deployed and reachable by untrusted or weakly trusted network input. The structured affected-product metadata is incomplete, listing vendor, product, and versions as n/a despite the description naming Fast-DDS v3.3.
Exploitation context
The CVE is not marked as KEV, so active exploitation is not established by the supplied sources. Public PoC-style references are listed, which raises validation urgency, but the bundle does not provide enough evidence to claim observed exploitation.
Researcher notes
The main uncertainty is metadata quality: affected CPE/vendor/product fields are n/a, while the description names eProsima Fast-DDS v3.3. Do not broaden impact beyond that evidence. Public references may contain technical detail, but this assessment does not rely on exploit instructions.
Mitigation direction
- Inventory systems and applications using eProsima Fast-DDS v3.3.
- Check eProsima guidance for fixed versions or official workarounds.
- Limit DDS/Fast-DDS exposure to trusted network segments.
- Block untrusted access where Fast-DDS services are reachable.
- Monitor affected services for crashes or repeated restart patterns.
Validation and detection
- Confirm whether Fast-DDS v3.3 is present in runtime and build dependencies.
- Review network reachability of systems using Fast-DDS.
- Check logs for unexplained Fast-DDS crashes or availability failures.
- Compare deployed versions against current vendor security guidance.
- Track the CVE record for affected-version and remediation updates.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-190: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-65865 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/lkloliver/poc/blob/main/Detail.mdCVE reference, mitre
- https://gist.github.com/lkloliver/7aa48cb9fc7a1dd74cb595212bb69d33CVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.