CVE-2025-8404 Vulnerability Analysis & Exploit Details

CVE-2025-8404
Vulnerability Scoring

5.5
/10
Significant Risk

Security assessments indicate that CVE-2025-8404 presents a notable risk, potentially requiring prompt mitigation.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: High
    High-level privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2025-8404 Details

Status: Received on 18 Nov 2025, 08:15 UTC

Published on: 18 Nov 2025, 08:15 UTC

CVSS Release: version 3

CVSS3 Source

def9a96e-e099-41a9-bfac-30fd4f82c411

CVSS3 Type

Secondary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H

CVE-2025-8404 Vulnerability Summary

CVE-2025-8404: Stack buffer overflow vulnerability exists in the Supermicro BMC Shared library. An authenticated attacker with access to the BMC exploit stack buffer via a crafted  header and achieve arbitrary code execution of the BMC’s firmware operating system.

Assessing the Risk of CVE-2025-8404

Access Complexity Graph

The exploitability of CVE-2025-8404 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2025-8404

The exploitability of CVE-2025-8404 is influenced by multiple factors. Security teams should analyze system configurations and apply appropriate countermeasures to mitigate threats.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2025-8404, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2025-8404, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2025-8404 has no significant impact on data confidentiality.
  • Integrity: Low
    Exploiting CVE-2025-8404 may cause minor changes to data without severely impacting its accuracy.
  • Availability: High
    CVE-2025-8404 can disrupt system operations, potentially causing complete denial of service (DoS).

CVE-2025-8404 References

External References

CWE Common Weakness Enumeration

CWE-121

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