CVE-2025-12056
Out-of-bounds Read in Shelly Pro 3EM
Out-of-bounds Read in Shelly Pro 3EM (before v1.4.4) allows Overread Buffers.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Out-of-bounds Read in Shelly Pro 3EM
Out-of-bounds Read in Shelly Pro 3EM (before v1.4.4) allows Overread Buffers.
- Record
CVE-2025-12056- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H - Weakness
- CWE-125
- Updated
- 2026-11-02
EUVDEUVD-2025-198138
Out-of-bounds Read in Shelly Pro 3EM (before v1.4.4) allows Overread Buffers.
- Record
EUVD-2025-198138- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-2qmw-g869-r668
Out-of-bounds Read in Shelly Pro 3EM (before v1.4.4) allows Overread Buffers.
Out-of-bounds Read in Shelly Pro 3EM (before v1.4.4) allows Overread Buffers.
- Record
GHSA-2qmw-g869-r668- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
Out-of-bounds Read in Shelly Pro 3EM (before v1.4.4) allows Overread Buffers.
- Record
CVE-2025-12056- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-125
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-12056 is a high vulnerability (CVSS 8.3) in Shelly Pro 3em, published November 19, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 9th percentile. No source names a fixed version.