CVE-2018-7300
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 30.6%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 30.59% probability · 98th percentile
- Public exploits
- 1 in Exploit-DB · first 30 March 2018
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- eq-3/homematic ccu2 firmware
- Source
- cve@mitre.org
EPSS 30.6% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://atomic111.github.io/article/homematic-ccu2-filewriteThird Party Advisory
- https://www.exploit-db.com/exploits/44361/Third Party Advisory, VDB Entry
- http://atomic111.github.io/article/homematic-ccu2-filewriteThird Party Advisory
- https://www.exploit-db.com/exploits/44361/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.