CVE-2025-63649 — HIGH (7.5)

Q: How severe is CVE-2025-63649?

CVE-2025-63649 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-63649?

Check the references section above for vendor advisories and patch information. Affected products include: Monkey-Project Monkey.

Vulnerability Description

An out-of-bounds read in the http_parser_transfer_encoding_chunked function (mk_server/mk_http_parser.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted POST request to the server.

CVSS Score

7.5

HIGH

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

Affected Products

Vendor	Product	Versions
Monkey-Project	Monkey	<= 1.8.5

Related Weaknesses (CWE)

CWE-125

References

https://github.com/archersec/security-advisories/blob/master/monkey/monkey-advisExploitThird Party Advisory
https://github.com/monkey/monkey/issues/426ExploitIssue Tracking

FAQ

What is CVE-2025-63649?

CVE-2025-63649 is a vulnerability with a CVSS score of 7.5 (HIGH). An out-of-bounds read in the http_parser_transfer_encoding_chunked function (mk_server/mk_http_parser.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a craf...

How severe is CVE-2025-63649?

CVE-2025-63649 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-63649?

Check the references section above for vendor advisories and patch information. Affected products include: Monkey-Project Monkey.