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CVE-2018-7300

CRITICAL

9.8

CVSS Score

Published: February 22, 2018 at 07:00 PM UTC

Updated: June 17, 2026 at 02:02 AM UTC

2 products affected across 1 vendorHomematic CCU2 FirmwareHomematic Ccu2

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Severity

CRITICAL9.8

Exploit prediction

EPSS 31%

Description

Directory Traversal / Arbitrary File Write / Remote Code Execution in the User.setLanguage method in eQ-3 AG Homematic CCU2 2.29.2 and earlier allows remote attackers to write arbitrary files to the device's filesystem. This vulnerability can be exploited by unauthenticated attackers with access to the web interface.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Homematic CCU2 Firmware · Eq 3

95%

v ≤ 2.29.22

eq-3-homematic-ccu2 (same device)

Homematic Ccu2 · Eq 3device

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_MISCThird Party Advisory

Source: [email protected]

http://atomic111.github.io/article/homematic-ccu2-filewrite

Exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry

Source: [email protected]

https://www.exploit-db.com/exploits/44361/

CVSS

9.8CRITICAL[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-22

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