What is the CVSS score of CVE-2025-63650?

CVE-2025-63650 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.9%.

Which versions of Monkey are affected by CVE-2025-63650?

A critical vulnerability in the Monkey web server allows attackers to remotely crash affected systems through specially crafted HTTP requests, resulting in service disruption.

Is there a public PoC exploit available for CVE-2025-63650?

Yes, a public proof-of-concept exploit is available for CVE-2025-63650. Prioritise patching immediately. EPSS: 0.9%.

How to fix or mitigate CVE-2025-63650?

Within 24 hours: Identify all systems running affected Monkey versions and assess exposure (internet-facing vs. internal). Within 7 days: Implement WAF rules to block malformed HTTP requests, enable rate limiting, and consider traffic filtering at network perimeter. Within 30 days: Migrate to alternative web servers (Apache, Nginx) or monitor vendor repository for patch release and deploy immediately upon availability.

Monkey CVE-2025-63650

HIGH

Out-of-bounds Read (CWE-125)

2026-01-29 cve@mitre.org

Denial Of Service Monkey

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:00 vuln.today

PoC Detected

Feb 19, 2026 - 20:40 vuln.today

Public exploit code

CVE Published

Jan 29, 2026 - 20:16 nvd

HIGH 7.5

DescriptionCVE.org

An out-of-bounds read in the mk_ptr_to_buf in mk_core function (mk_memory.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.

AnalysisAI

Technical ContextAI

Classified as CWE-125 (Out-of-bounds Read). Affects the mk_ptr_to_buf in mk_core component of Monkey. An out-of-bounds read in the mk_ptr_to_buf in mk_core function (mk_memory.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

CVE-2025-63650 vulnerability details – vuln.today

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Monkey CVE-2025-63650

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code