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CVE-2025-62799

30
FAUCET Score

CVE-2025-62799 is a critical heap buffer overflow vulnerability in Fast DDS, affecting versions prior to 3.4.1, 3.3.1, and 2.6.11, including Debian Linux distributions utilizing Fast DDS. An unauthenticated attacker can exploit this by sending a specially crafted RTPS DATA_FRAG packet, leading to an immediate denial of service (DoS) and potentially remote code execution (RCE). With a CVSS score of 9.8 (CRITICAL), the vulnerability is easily exploitable over the network with low attack complexity and no user interaction required. While no public exploits or active exploitation have been observed, and community discussion is minimal, the high FAUCET Risk Score of 95/100 indicates significant potential danger.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0, < 2.6.11CPE match
cpe:2.3:a:eprosima:fast_dds:*:*:*:*:*:*:*:*
>= 3.0.0, < 3.3.1CPE match
cpe:2.3:a:eprosima:fast_dds:*:*:*:*:*:*:*:*
>= 3.4.0, < 3.4.1CPE match
cpe:2.3:a:eprosima:fast_dds:*:*:*:*:*:*:*:*
< 2.6.11CPE matchmatch criteria
cpe:2.3:a:eprosima:fast_dds:*:*:*:*:*:*:*:*
3.4.0CPE matchmatch criteria
cpe:2.3:a:eprosima:fast_dds:3.4.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

7.2HIGH

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
UNREPORTED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.48%
Probability of exploitation in next 30 days
EPSS Percentile
38.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0048 is in the 17th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / eProsima/Fast-DDS/commit/0c3824ef4991628de5dfba240669dc6172d63b46
Patch
github.com / eProsima/Fast-DDS/commit/955c8a15899dc6eb409e080fe7dc89e142d5a514
Patch
github.com / eProsima/Fast-DDS/commit/d6dd58f4ecd28cd1c3bc4ef0467be9110fa94659
Patch
security-tracker.debian.org / tracker/CVE-2025-62799
Third Party Advisory