CVE-2025-9242 Vulnerability Analysis & Exploit Details

CVE-2025-9242
Vulnerability Scoring

9.8
/10
Critical Risk

As a catastrophic security flaw, CVE-2025-9242 has severe implications, demanding immediate intervention.

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-2025-9242 Details

Status: Analyzed

Last updated: 🕑 14 Nov 2025, 02:00 UTC
Originally published on: 🕗 17 Sep 2025, 08:15 UTC

Time between publication and last update: 57 days

CVSS Release: version 3

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

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

CVE-2025-9242 Vulnerability Summary

CVE-2025-9242: An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to execute arbitrary code. This vulnerability affects both the Mobile User VPN with IKEv2 and the Branch Office VPN using IKEv2 when configured with a dynamic gateway peer.This vulnerability affects Fireware OS 11.10.2 up to and including 11.12.4_Update1, 12.0 up to and including 12.11.3 and 2025.1.

Assessing the Risk of CVE-2025-9242

Access Complexity Graph

The exploitability of CVE-2025-9242 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-2025-9242

With low attack complexity and no required privileges, CVE-2025-9242 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-2025-9242, 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-2025-9242, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2025-9242 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: High
    CVE-2025-9242 could allow unauthorized modifications to data, potentially affecting system reliability and trust.
  • Availability: High
    CVE-2025-9242 can disrupt system operations, potentially causing complete denial of service (DoS).

CVE-2025-9242 References

External References

CWE Common Weakness Enumeration

CWE-787

Vulnerable Configurations

  • cpe:2.3:o:watchguard:fireware:11.11:*:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:11.11:*:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:11.12.4:*:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:11.12.4:*:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.0.0:*:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.0.0:*:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.1.3:-:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.1.3:-:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.1.3:u1:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.1.3:u1:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.1.3:u2:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.1.3:u2:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.1.3:u3:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.1.3:u3:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.1.3:u4:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.1.3:u4:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.1.3:u5:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.1.3:u5:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.1.3:u6:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.1.3:u6:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.1.3:u7:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.1.3:u7:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.1.3:u8:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.1.3:u8:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.1.4:*:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.1.4:*:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.2.0:*:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.2.0:*:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.5.7:-:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.5.7:-:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.5.7:u1:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.5.7:u1:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.5.7:u2:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.5.7:u2:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.5.9:-:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.5.9:-:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.5.9:u1:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.5.9:u1:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.5.10:*:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.5.10:*:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.6.1:u1:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.6.1:u1:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.6.1:u3:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.6.1:u3:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.6.3:*:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.6.3:*:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.6.4:*:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.6.4:*:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.7.0:u1:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.7.0:u1:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.7.1:*:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.7.1:*:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.7.2:-:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.7.2:-:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.7.2:u1:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.7.2:u1:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.7.2:u2:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.7.2:u2:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:12.8.0:u1:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:12.8.0:u1:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_m270:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_m270:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_m290:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_m290:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_m370:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_m370:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_m390:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_m390:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_m440:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_m440:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_m4600:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_m4600:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_m470:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_m470:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_m4800:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_m4800:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_m5600:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_m5600:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_m570:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_m570:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_m5800:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_m5800:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_m590:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_m590:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_m670:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_m670:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_m690:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_m690:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_nv5:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_nv5:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_t20:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_t20:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_t25:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_t25:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_t40:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_t40:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_t45:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_t45:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_t55:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_t55:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_t70:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_t70:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_t80:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_t80:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_t85:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_t85:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:fireboxcloud:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:fireboxcloud:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:fireboxv:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:fireboxv:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_t15:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_t15:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_t35:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_t35:*:*:*:*:*:*:*:*
  • cpe:2.3:o:watchguard:fireware:2025.1:*:*:*:*:*:*:*
    cpe:2.3:o:watchguard:fireware:2025.1:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_t115-w:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_t115-w:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_t125:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_t125:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_t125-w:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_t125-w:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_t145:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_t145:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_t145-w:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_t145-w:*:*:*:*:*:*:*:*
  • cpe:2.3:h:watchguard:firebox_t185:*:*:*:*:*:*:*:*
    cpe:2.3:h:watchguard:firebox_t185:*:*:*:*:*:*:*:*

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