TI-2025-32419 Aliases CVE-2025-51823 GHSA-mmm3-jq63-7mw5

libcsp 2.0 is vulnerable to Buffer Overflow in the csp_eth_init() function due to…

LOW 29CWE-120Published 2025-08-11 · Updated 2025-08-11

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: Low · High · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00281 20th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:libcsp:libcsp:2.0:::::::*	2.0	Vulnerable	Libcsp

cpe:2.3:a:libcsp:libcsp:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Libcsp

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-51823
2026-10-03 Alias added: GHSA-mmm3-jq63-7mw5

References

Patch 1

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

Advisory 1

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

TI-2016-07065 Buffer overflow in the zmq interface in csp_if_zmqhub.c in the libcsp library v1.4 and… CVSS 3.0CRITICAL 9.8
TI-2016-07064 Buffer overflow in the csp_sfp_recv_fp in csp_sfp.c in the libcsp library v1.4 and… CVSS 3.0CRITICAL 9.8
TI-2016-07063 Buffer overflow in the csp_can_process_frame in csp_if_can.c in the libcsp library v1.4… CVSS 3.0CRITICAL 9.8
TI-2025-32420 libcsp 2.0 is vulnerable to Buffer Overflow in the csp_usart_open() function at drivers/usart/zephyr.c. CVSS 3.1MEDIUM 6.5

Sources

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