# CVE-2025-41725: DoS vulnerability in JBL Flip 4

Status: published. Published: 2026-11-13. Updated: 2026-11-13.

Affected devices running firmware versions prior to 4.1.0 may crash and become unavailable when receiving specific malformed Bluetooth messages from an unauthenticated attacker.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Harman International / Flip 4: ≥ 0.0.0; < 4.1.0 (affected, semver). Source: CNA: CERTVDE

## Severity and prioritization

- CVSS 3.1: 6.5 (medium); CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H; source: CNA: CERTVDE

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-923

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://harman.csaf-tp.certvde.com/.well-known/csaf/white/2026/hbsa-2025-0003.json (CNA: CERTVDE; x_csaf, vendor-advisory)

- https://certvde.com/en/advisories/VDE-2025-090/ (CNA: CERTVDE; vendor-advisory)

## Provenance

- CNA: CERTVDE: https://www.cve.org/CVERecord?id=CVE-2025-41725; retrieved 2026-11-13; source updated 2026-11-13

Revision: 7fe2044dfadb24f35ea8c2c9e4a29533080f1a5cf3cc61bbaa1b498f7ec46a9d

Canonical: https://y2.dev/cve/CVE-2025-41725

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.