CVE-2021-38365

3.7 lowEPSS 1.2%

Low (3.7) in tonewinner winner desktop speakers firmware. EPSS 1.2% chance of exploitation in the next 30 days.

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.

Severity

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

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
Published: 2021-08-10
Modified: 2026-07-05
Record from: the NVD, synced 2026-10-19

Affected

tonewinner:winner_desktop_speakers_firmware

References

https://www.nassiben.com/glowworm-attack
http://www.tonewinner.com
https://www.nassiben.com/glowworm-attack

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