Buffer overflow in Domoticz
CVE-2026-71265
Domoticz's MochadTCP::MatchLine handler for MOCHAD_RFSEC messages (hardware/MochadTCP.cpp) copies network-received data from the up-to-1028-byte m_mochadbuffer into a fixed 50-byte stack buffer tempRFSECbuf using strcpy with no length check, across three separate code branches (DS10A/KR10A/MS10A device types).
Vulnerability class: Buffer Overflow
EPSS: 0.002 (9.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Domoticz — versions 0
Weakness classification (CWE)
References
- 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (third-party-advisory)
- 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (third-party-advisory)
Frequently asked questions
- What is CVE-2026-71265?
- CVE-2026-71265 is a high-severity vulnerability in Domoticz, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-08-05.
- How severe is CVE-2026-71265?
- High severity. CVSS v3 base score is 7.5 out of 10.