CVE-2025-9557
Bluetooth: Mesh: Out-of-Bound Write in gen_prov_cont
An out-of-bound write can lead to an arbitrary code execution. Even on devices with some form of memory protection, this can still lead to a crash and a resultant denial of service.
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
- Low
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Bluetooth: Mesh: Out-of-Bound Write in gen_prov_cont
An out-of-bound write can lead to an arbitrary code execution. Even on devices with some form of memory protection, this can still lead to a crash and a resultant denial of service.
- Record
CVE-2025-9557- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2025-199711
An out-of-bound write can lead to an arbitrary code execution. Even on devices with some form of memory protection, this can still lead to a crash and a resultant denial of service.
- Record
EUVD-2025-199711- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - Updated
- 2026-11-02
NVD
An out-of-bound write can lead to an arbitrary code execution. Even on devices with some form of memory protection, this can still lead to a crash and a resultant denial of service.
- Record
CVE-2025-9557- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
OSV
Bluetooth: Mesh: Out-of-Bound Write in gen_prov_cont
An out-of-bound write can lead to an arbitrary code execution. Even on devices with some form of memory protection, this can still lead to a crash and a resultant denial of service.
- Record
CVE-2025-9557- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-9557 is a high vulnerability (CVSS 7.6) in Zephyrproject-rtos Zephyr, published November 26, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. No source names a fixed version.