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CVE-2018-15479

22
FAUCET Score

CVE-2018-15479 describes a vulnerability in various myStrom WiFi devices, including Switches, Bulbs, LED Strips, and Buttons, where devices failed to authenticate themselves during cloud communication. This allowed an unauthenticated attacker to impersonate any device by simply knowing or guessing its MAC address. The vulnerability has a CVSS score of 6.5 (Medium), indicating a network-based attack with low complexity, potentially leading to unauthorized information disclosure and modification. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.66CPE matchmatch criteria
cpe:2.3:o:mystrom:wifi_switch_firmware:*:*:*:*:*:*:*:*
< 3.80CPE matchmatch criteria
cpe:2.3:o:mystrom:wifi_switch_firmware:*:*:*:*:*:*:*:*
< 2.73CPE matchmatch criteria
cpe:2.3:o:mystrom:wifi_button_plus_firmware:*:*:*:*:*:*:*:*
< 2.73CPE matchmatch criteria
cpe:2.3:o:mystrom:wifi_button_firmware:*:*:*:*:*:*:*:*
< 3.80CPE matchmatch criteria
cpe:2.3:o:mystrom:wifi_switch_eu_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
2.5
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.79%
Probability of exploitation in next 30 days
EPSS Percentile
52.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0079 is in the 33rd percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

swisscom.ch / content/dam/swisscom/de/about/nachhaltigkeit/digitale-schweiz/sicherheit/bug-bounty/files/cve-2018-15476ff.txt
Third Party Advisory