CVE-2026-66411 Vulnerability Analysis & Exploit Details

CVE-2026-66411
Vulnerability Scoring

5.3
/10
Significant Risk

Security assessments indicate that CVE-2026-66411 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: None
    No 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-2026-66411 Details

Status: Received on 10 Aug 2026, 09:17 UTC

Published on: 10 Aug 2026, 09:17 UTC

CVSS Release: version 3

CVSS3 Source

vultures@jpcert.or.jp

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2026-66411 Vulnerability Summary

CVE-2026-66411: DEEBOT PRO M1 and DEEBOT PRO K1VAC incorrectly implement authentication algorithm in Websocket communications. An unauthenticated attacker may connect and operate the affected robot.

Assessing the Risk of CVE-2026-66411

Access Complexity Graph

The exploitability of CVE-2026-66411 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-2026-66411

With low attack complexity and no required privileges, CVE-2026-66411 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

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-2026-66411, 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-2026-66411, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2026-66411 has no significant impact on data confidentiality.
  • Integrity: Low
    Exploiting CVE-2026-66411 may cause minor changes to data without severely impacting its accuracy.
  • Availability: None
    CVE-2026-66411 does not impact system availability.

CVE-2026-66411 References

External References

CWE Common Weakness Enumeration

CWE-303

CAPEC Common Attack Pattern Enumeration and Classification

  • Reflection Attack in Authentication Protocol CAPEC-90 An adversary can abuse an authentication protocol susceptible to reflection attack in order to defeat it. Doing so allows the adversary illegitimate access to the target system, without possessing the requisite credentials. Reflection attacks are of great concern to authentication protocols that rely on a challenge-handshake or similar mechanism. An adversary can impersonate a legitimate user and can gain illegitimate access to the system by successfully mounting a reflection attack during authentication.

Protect Your Infrastructure against CVE-2026-66411: Combat Critical CVE Threats

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