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HIGH

CVE-2025-55763

CVSS v3

7.5

HIGH

EPSS Score

2.7 %

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

Buffer Overflow in the URI parser of CivetWeb 1.14 through 1.16 (latest) allows a remote attacker to achieve remote code execution via a crafted HTTP request. This vulnerability is triggered during request processing and may allow an attacker to corrupt heap memory, potentially leading to denial of service or arbitrary code execution.

Technical details

Published
2025-08-29

Frequently asked questions

What is CVE-2025-55763?

Buffer Overflow in the URI parser of CivetWeb 1.14 through 1.16 (latest) allows a remote attacker to achieve remote code execution via a crafted HTTP request. This vulnerability is triggered during request processing and may allow an attacker to corrupt heap memory, potentially leading to denial of service or arbitrary code execution.

Is CVE-2025-55763 actively exploited?

Active exploitation of CVE-2025-55763 has not been confirmed. The EPSS score is 2.7%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-55763?

CVE-2025-55763 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2025-55763 affecting your environment?

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