CVE-2026-28527
CVE-2026-28527 is a low-severity vulnerability in Bluekitchen-gmbh Btstack with a CVSS 3.x base score of 3.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Low (CVSS 3.x base score 3.5)
- CVSS v4: 2.1
- EPSS exploit prediction: 0% (5th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-17087
- Weakness: CWE-125
- Affected product: Bluekitchen-gmbh Btstack
- Published:
- Last modified:
Description
BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Controller GET_PLAYER_APPLICATION_SETTING_ATTRIBUTE_TEXT and GET_PLAYER_APPLICATION_SETTING_VALUE_TEXT handlers that allows nearby attackers to read beyond packet boundaries. Attackers can establish a paired Bluetooth Classic connection and send specially crafted VENDOR_DEPENDENT responses to trigger out-of-bounds reads, causing information disclosure and potential crashes on affected devices.
Frequently asked questions
- What is CVE-2026-28527?
- BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Controller GET_PLAYER_APPLICATION_SETTING_ATTRIBUTE_TEXT and GET_PLAYER_APPLICATION_SETTING_VALUE_TEXT handlers that allows nearby attackers to read beyond packet boundaries. Attackers can establish a paired Bluetooth Classic connection and send specially crafted VENDOR_DEPENDENT responses to trigger out-of-bounds reads, causing information disclosure and potential crashes on affected devices.
- How severe is CVE-2026-28527?
- CVE-2026-28527 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2026-28527 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-28527?
- CVE-2026-28527 affects Bluekitchen-gmbh Btstack. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-28527?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-28527 have an EU (EUVD) identifier?
- Yes. CVE-2026-28527 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17087.
- When was CVE-2026-28527 published?
- CVE-2026-28527 was published on 2026-03-30 and last updated on 2026-06-17.
References
- https://github.com/bluekitchen/btstack/releases/tag/v1.8.1
- https://www.vulncheck.com/advisories/bluekitchen-btstack-avrcp-controller-get-player-application-setting-text-handlers-oob-read
Affected products (1)
- cpe:2.3:a:bluekitchen-gmbh:btstack:*:*:*:*:*:*:*:*
More vulnerabilities in Bluekitchen-gmbh Btstack
- CVE-2026-28528 — Medium (CVSS 4.6): BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Browsing Target…
- CVE-2026-28526 — Low (CVSS 3.5): BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Controller…
All CVEs affecting Bluekitchen-gmbh Btstack →
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