What’s Vulnerable › Vulnerabilities
CVE-2025-27243
- Severity: medium (CVSS 4.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-02-10 · updated 2026-06-17
- Weakness: CWE-787
Description
Out-of-bounds write in the firmware for some Intel(R) Ethernet Controller E810 before version cvl fw 1.7.8.x within Ring 0: Bare Metal OS may allow a denial of service. System software adversary with a privileged user combined with a low complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
Affected products
- 100GbE Intel(R) Ethernet Controller E810: before 30.3 — fixed in 30.3
How to fix
Upgrade to a fixed version: 100GbE Intel(R) Ethernet Controller E810 30.3. Check the vendor advisory for mitigations.
References
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