Samsung Galaxy Gear series before build RE2 includes the hcidump utility with no privilege or permission restriction.

published 2020-01-22 6y ago modified 2026-06-17 4mo ago also EUVD-2018-8122

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

Samsung Galaxy Gear series before build RE2 includes the hcidump utility with no privilege or permission restriction. This allows an unprivileged process to dump Bluetooth HCI packets to an arbitrary file path.

Patch / fix

fixed in 10

samsung galaxy_gear_firmware re2
samsung gear_2_firmware re2
samsung gear_live_firmware re2
samsung gear_s_firmware re2
samsung gear_s2_firmware re2
samsung gear_s3_firmware re2
samsung gear_sport_firmware re2
samsung gear_fit_firmware re2
samsung gear_fit_2_firmware re2
samsung gear_fit_2_pro_firmware re2

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Exploit prediction

1.16% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

media.defcon.org https://media.defcon.org/DEF%20CON%2026/DEF%20CON%2026%20presentations/Dongsung%20Kim%20and%20Hyoung%20Kee%20Choi%20-%20Updated/DEFCON-26-Dongsung-Kim-and-Hyoung-Kee-Choi-Your-Watch-Can-Watch-You-Updated.pdf referenced PoC, tagged "exploit" by a source, unverified
youtube.com https://www.youtube.com/watch?v=3IdgBwbOT-g&feature=youtu.be referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-269 Improper Privilege Management

References

media.defcon.org /DEF%20CON%2026/DEF%20CON%2026%20presentations/Dongsung%20Kim%20and%20Hyoung%20Kee%20Choi%20-%20Updated/DEFCON
exploit, third-party-advisory
youtube.com /watch?v=3IdgBwbOT-g&feature=youtu.be
exploit, third-party-advisory

Sources

CVE List CVE-2018-16270
NVD CVE-2018-16270

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