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CVE-2023-28386

31
FAUCET Score

CVE-2023-28386 is a critical vulnerability affecting Snap One OvrC Pro devices running versions 7.2 and prior, stemming from insufficient firmware update validation. The devices only perform an MD5 hash check, lacking a robust public-key infrastructure (PKI) for signature verification. This flaw allows unauthenticated attackers to upload arbitrary malicious firmware, leading to remote code execution with full compromise of the device. While no active exploitation or public exploit code has been identified, the vulnerability has garnered significant community discussion, indicating potential interest.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.3.0CPE matchmatch criteria
cpe:2.3:a:snapone:orvc:*:*:*:*:*:pro:*:*

CVSS Data

CVSS version used by this source: 3.1

8.6HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 11th percentile among its peer group of 36,835 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

Remediation records are not available for this CVE.

References

cisa.gov / news-events/ics-advisories/icsa-23-136-01
Third Party AdvisoryUS Government Resource
control4.com / docs/product/ovrc-software/release-notes/english/latest/ovrc-software-release-notes-rev-p.pdf
Release Notes