CVE-2021-38365
Winner (aka ToneWinner) desktop speakers through 2021-08-09 allow remote attackers to recover...
Winner (aka ToneWinner) desktop speakers through 2021-08-09 allow remote attackers to recover speech signals from the power-indicator LED via a telescope and an electro-optical sensor, aka a "Glowworm" attack.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Winner (aka ToneWinner) desktop speakers through 2021-08-09 allow remote attackers to recover speech signals from the power-indicator LED via a telescope and an electro-optical sensor, aka a "Glowworm" attack.
- Record
CVE-2021-38365- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
Winner (aka ToneWinner) desktop speakers through 2021-08-09 allow remote attackers to recover speech signals from the power-indicator LED via a telescope and an electro-optical sensor, aka a "Glowworm" attack.
- Record
CVE-2021-38365- Updated
- 2026-11-02
EUVDEUVD-2021-24818 No score
Winner (aka ToneWinner) desktop speakers through 2021-08-09 allow remote attackers to recover speech signals from the power-indicator LED via a telescope and an electro-optical sensor, aka a "Glowworm" attack.
- Record
EUVD-2021-24818- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-c73h-35x4-2493
Winner (aka ToneWinner) desktop speakers through 2021-08-09 allow remote attackers to recover...
Winner (aka ToneWinner) desktop speakers through 2021-08-09 allow remote attackers to recover speech signals from the power-indicator LED via a telescope and an electro-optical sensor, aka a "Glowworm" attack.
- Record
GHSA-c73h-35x4-2493- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-38365 is a low vulnerability (CVSS 3.7) in Tonewinner Winner Desktop Speakers Firmware, published August 10, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.16%, the 67th percentile. No source names a fixed version.