CVE-2025-70820 Vulnerability Analysis & Exploit Details

CVE-2025-70820
Vulnerability Scoring

3.5
/10
Moderate Risk

Exploiting CVE-2025-70820 requires specific conditions, leading to a moderate security impact.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Adjacent_network
    Attack Vector Under Analysis
  • Privileges Required: Low
    Some privileges are necessary to exploit the vulnerability.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2025-70820 Details

Status: Received on 13 Sep 2026, 20:16 UTC

Published on: 13 Sep 2026, 20:16 UTC

CVSS Release: version 3

CVSS3 Source

cve@mitre.org

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2025-70820 Vulnerability Summary

CVE-2025-70820: Zettlab D6 Ultra before 1.7.0 allows absolute path traversal to reach folders other than the personal folder.

Assessing the Risk of CVE-2025-70820

Access Complexity Graph

The exploitability of CVE-2025-70820 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-2025-70820

CVE-2025-70820 presents an accessible attack vector with minimal effort required. Restricting access controls and implementing security updates are critical to reducing exploitation risks.

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-2025-70820, 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-2025-70820, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: Low
    CVE-2025-70820 could lead to minor leaks of non-critical information without major privacy breaches.
  • Integrity: None
    CVE-2025-70820 poses no threat to data integrity.
  • Availability: None
    CVE-2025-70820 does not impact system availability.

CVE-2025-70820 References

External References

CWE Common Weakness Enumeration

CWE-36

CAPEC Common Attack Pattern Enumeration and Classification

  • Absolute Path Traversal CAPEC-597 An adversary with access to file system resources, either directly or via application logic, will use various file absolute paths and navigation mechanisms such as ".." to extend their range of access to inappropriate areas of the file system. The goal of the adversary is to access directories and files that are intended to be restricted from their access.

Protect Your Infrastructure against CVE-2025-70820: Combat Critical CVE Threats

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