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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-28528

20
FAUCET Score

CVE-2026-28528 is an out-of-bounds read vulnerability affecting BlueKitchen BTstack versions prior to 1.8.1, specifically in the AVRCP Browsing Target GET_FOLDER_ITEMS handler due to inadequate packet boundary and attribute count validation. Rated Medium with a CVSS score of 4.6, this vulnerability requires an attacker to have a paired Bluetooth Classic connection to exploit it. Successful exploitation can lead to system crashes and corruption of attribute bitmap state. There is no evidence of active exploitation, nor are public exploit tools available, though it has received some community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.8.1CPE matchmatch criteria
cpe:2.3:a:bluekitchen-gmbh:btstack:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

2.1LOW

CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/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
ADJACENT
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
PASSIVE
VS Confidentiality
NONE
VS Integrity
LOW
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.14%
Probability of exploitation in next 30 days
EPSS Percentile
3.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0014 is in the 6th percentile among its peer group of 126 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / bluekitchen/btstack/releases/tag/v1.8.1
Release Notes
vulncheck.com / advisories/bluekitchen-btstack-avrcp-browsing-target-get-folder-items-handler-oob-read-undefined-behavior
Third Party Advisory