CVE-2025-3403 Vulnerability Analysis & Exploit Details

CVE-2025-3403
Vulnerability Scoring

2.7
/10
Low Risk

Security experts classify CVE-2025-3403 as a minor vulnerability with limited consequences.

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-2025-3403 Details

Status: Deferred

Last updated: 🕧 15 Apr 2026, 00:35 UTC
Originally published on: 🕒 08 Apr 2025, 03:15 UTC

Time between publication and last update: 371 days

CVSS Release: version 3

CVSS3 Source

cna@vuldb.com

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2025-3403 Vulnerability Summary

CVE-2025-3403: A vulnerability was found in Vivotek NVR ND8422P, NVR ND9525P and NVR ND9541P 2.4.0.204/3.3.0.104/4.2.0.101. It has been classified as problematic. Affected is an unknown function of the component HTML Form Handler. The manipulation leads to inclusion of sensitive information in source code. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Assessing the Risk of CVE-2025-3403

Access Complexity Graph

The exploitability of CVE-2025-3403 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-2025-3403

The exploitability of CVE-2025-3403 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-2025-3403, 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-2025-3403, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: Low
    CVE-2025-3403 could lead to minor leaks of non-critical information without major privacy breaches.
  • Integrity: None
    CVE-2025-3403 poses no threat to data integrity.
  • Availability: None
    CVE-2025-3403 does not impact system availability.

CVE-2025-3403 References

External References

CWE Common Weakness Enumeration

CWE-540

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