CVE-2019-9726
Directory Traversal / Arbitrary File Read in eQ-3 AG Homematic CCU3 3.43.15 and earlier allows remote attackers to read arbitrary files of the device's filesystem.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 16.3%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
Directory Traversal / Arbitrary File Read in eQ-3 AG Homematic CCU3 3.43.15 and earlier allows remote attackers to read arbitrary files of the device's filesystem. This vulnerability can be exploited by unauthenticated attackers with access to the web interface.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 16.34% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- eq-3/ccu3 firmware
- Source
- cve@mitre.org
EPSS moved from 7.7% on 21 September 2026 to 16.3% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://atomic111.github.io/article/homematic-ccu3-filereadExploit, Third Party Advisory
- https://atomic111.github.io/article/homematic-ccu3-filereadExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.