CVE-2026-76860 — HIGH (8.8)

Vulnerability Description

Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in wake_up_set.cgi caused by unbounded tokenization of MAC and ID input. Attackers can supply crafted MAC and ID values to the affected endpoint to overflow the stack buffer and corrupt program memory.

CVSS Score

8.8

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-121

References

FAQ

What is CVE-2026-76860?

CVE-2026-76860 is a vulnerability with a CVSS score of 8.8 (HIGH). Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in wake_up_set.cgi caused by unbounded tokenization of MAC and ID input. Attackers can supply crafted MAC and ID values to the...

How severe is CVE-2026-76860?

CVE-2026-76860 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-76860?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.