CVE-2025-51823

6.5 mediumEPSS 0.3%

Medium (6.5) in libcsp libcsp. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.5 medium

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 18% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2025-08-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

libcsp:libcsp

References

https://github.com/libcsp/libcsp/issues/850
https://github.com/libcsp/libcsp/pull/852

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