CVE-2025-15679 BMC root account active without password on BullSequana XH3406 and XH3515
Attackers can gain root access to the BMC if the device is reset to factory defaults, as the root account becomes active without a password.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-15679?
CVE-2025-15679 is a high-severity vulnerability in BullSequana XH3406, published on 11 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Under certain circumstances such as reset to factory default operation, the BMC root account is made active without a password on BullSequana XH3406 and XH3515.
Weakness: CWE-258
Which versions are affected by CVE-2025-15679?
How do I fix CVE-2025-15679?
No fix has been published for CVE-2025-15679 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-15679 being exploited?
There is no known exploitation of CVE-2025-15679 in the wild and no public exploit code.
Sources
Also known as GHSA-g65q-w5wj-wm56.