Base Score

MEDIUM6.5

CVE-2025-51824

libcsp 2.0 is vulnerable to Buffer Overflow in the csp_usart_open() function at drivers/usart/zephyr.c.

VectorNETWORK

Published Bycve@mitre.org

Published DateAug 11, 2025, 19:15

Weakness Type (CWE):CWE-120

CVSS Metrics

Base Score

6.5

Vector String

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

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

HIGH

Privileges Required (PR)

NONE

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

LOW

Integrity (I)

HIGH

Availability (A)

NONE

References

https://github.com/libcsp/libcsp/issues/851
https://github.com/libcsp/libcsp/pull/853

Base Score

MEDIUM6.5

Weakness Type (CWE):CWE-120

CVSS Metrics

Base Score

6.5

Vector String

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

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

HIGH

Privileges Required (PR)

NONE

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

LOW

Integrity (I)

HIGH

Availability (A)

NONE