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CVE-2025-54878

30
FAUCET Score

CVE-2025-54878 describes a heap buffer overflow in NASA CryptoLib version 1.4.0 and prior, specifically within the IV setup logic for telecommand frames, affecting the software-only solution for securing cFS communications. This vulnerability, rated 8.6 HIGH (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H), allows an unauthenticated attacker to remotely corrupt heap memory by sending a crafted telecommand frame, potentially leading to denial of service or more severe exploitation. While the FAUCET Risk Score is 82/100, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage. The issue has been patched in version 1.4.0.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.4.1CPE matchmatch criteria
cpe:2.3:a:nasa:cryptolib:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.6HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
4.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 11th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 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 / nasa/CryptoLib/commit/9b5b294ec09da450d2d4d05aea2db604ead48be1
Patch
github.com / nasa/CryptoLib/security/advisories/GHSA-9qph-pxfm-q9g4
ExploitThird Party Advisory