CVE-2025-12006: SMCI X12STW-F · Improper Verification of Cryptographic Signature
Affects SMCI X12STW-FSource CVE Database V5
Not known to be exploited · CVSS 7.2 High.
Data as of 26 Oct 2026, 12:54 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 22% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 16 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| SMCIX12STW-F | Affected
| Fixed in– |
AI-suggested
- Monitor Supermicro's official channels for firmware updates addressing CVE-2025-12006 and apply patches promptly once released.
- Restrict network access to the BMC interface using network segmentation, firewalls, and VPNs to limit exposure to trusted administrators only.
- Enforce strong authentication and authorization controls for BMC access, including multi-factor authentication and role-based access controls.
- Regularly audit BMC firmware versions and integrity using cryptographic verification tools where possible.
- Implement monitoring and alerting for unusual BMC activity or firmware update attempts.
- Consider disabling unused BMC features or interfaces if operationally feasible to reduce attack surface.
- Employ hardware-based root of trust and secure boot mechanisms if supported by the platform to prevent unauthorized firmware execution.
- Educate system administrators on the risks of firmware-level attacks and the importance of secure BMC management practices.
Description
There is a vulnerability in the Supermicro BMC firmware validation logic at Supermicro MBD-X12STW-F . An attacker can update the system firmware with a specially crafted image.