What is the CVSS score of CVE-2025-51823?

CVE-2025-51823 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N. EPSS exploitation probability: 0.0%.

Which versions of Libcsp are affected by CVE-2025-51823?

Organizations using libcsp 2.0 should be aware of notable risk from CVE-2025-51823, a buffer overflow vulnerability rated CVSS 6.5. Exploitation could cause memory corruption or application crashes.. A patch is available.

How to fix or mitigate CVE-2025-51823?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Libcsp CVE-2025-51823

MEDIUM

Classic Buffer Overflow (CWE-120)

2025-08-11 cve@mitre.org

Buffer Overflow Libcsp

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

High

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:06 vuln.today

Patch released

Mar 28, 2026 - 19:06 nvd

Patch available

CVE Published

Aug 11, 2025 - 19:15 nvd

MEDIUM 6.5

DescriptionCVE.org

libcsp 2.0 is vulnerable to Buffer Overflow in the csp_eth_init() function due to improper handling of the ifname parameter. The function uses strcpy to copy the interface name into a structure member (ctx->name) without validating the input length.

AnalysisAI

libcsp 2.0 is vulnerable to Buffer Overflow in the csp_eth_init() function due to improper handling of the ifname parameter. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. libcsp 2.0 is vulnerable to Buffer Overflow in the csp_eth_init() function due to improper handling of the ifname parameter. The function uses strcpy to copy the interface name into a structure member (ctx->name) without validating the input length. Affected products include: Libcsp.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.