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CVE-2019-14194

31
FAUCET Score

CVE-2019-14194 is a critical vulnerability affecting Das U-Boot through version 2019.07, stemming from an unbounded memcpy in the nfs_read_reply function during NFSv2 operations. With a CVSS score of 9.8, this flaw allows for remote, unauthenticated attacks with high impact on confidentiality, integrity, and availability. While there is no known active exploitation or publicly available exploit code in Metasploit or ExploitDB, the vulnerability has garnered significant community discussion, indicating potential interest.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2019.07CPE matchmatch criteria
cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.45%
Probability of exploitation in next 30 days
EPSS Percentile
82.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0245 is in the 73rd 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

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

Remediation

Vendor Advisories (1)

microsoft2019-Jul/CVE-2019-14194

An issue was discovered in Das U-Boot through 2019.07. There is an unbounded memcpy with a failed length check at nfs_read_reply when calling store_block in the NFSv2 case.

Jul 9, 2019

References

cert-portal.siemens.com / productcert/html/ssa-577017.html
blog.semmle.com / uboot-rce-nfs-vulnerability
Third Party Advisory
gitlab.com / u-boot/u-boot
Third Party Advisory