No exploitation reportedFix available

CVE-2018-15480

Q: Is CVE-2018-15480 actively exploited?

Active exploitation of CVE-2018-15480 has not been confirmed. Its EPSS score was 1.0% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2018-15480?

CVE-2018-15480 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2018-08-30
Fixed in3.80 · 2.66

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue was discovered in myStrom WiFi Switch V1 before 2.66, WiFi Switch V2 before 3.80, WiFi Switch EU before 3.80, WiFi Bulb before 2.58, WiFi LED Strip before 3.80, WiFi Button before 2.73, and WiFi Button Plus before 2.73. The cloud API had a hidden parameter, which allowed an authenticated user to reconfigure the server URL for a device registered to their account. In combination with an insecure device registration vulnerability, this allowed an attacker to reconfigure a maliciously registered device to their own rogue replica of the myStrom API and issue commands to the device, including firmware update commands.

Timeline

dates in UTC

2018-08-3017:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-15480?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-15480?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Mystrom wifi switch firmwareversion to verify

Branch	Affected	Fixed in	Source
3.80	< 3.80	3.80	NVD
2.66	< 2.66	2.66	NVD

Mystrom wifi bulb firmwareversion to verify

Branch	Affected	Fixed in	Source
2.58	< 2.58	2.58	NVD

Mystrom wifi button firmwareversion to verify

Branch	Affected	Fixed in	Source
2.73	< 2.73	2.73	NVD

3 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Mystrom wifi switch firmware to 3.80 · 2.66

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.08.8read 2026-10-23
NVDCVSS 2.06.5read 2026-10-23
FIRST EPSSEPSS score1.0 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2018-08-30
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-15480?

Is CVE-2018-15480 actively exploited?

Active exploitation of CVE-2018-15480 has not been confirmed. Its EPSS score was 1.0% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-15480?

CVE-2018-15480 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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