Vulnerability Description
Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in reboot_timer_set.cgi caused by improper sscanf token parsing. Attackers can exploit this flaw by submitting crafted input to the affected endpoint to corrupt stack memory.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netc
- https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-stack-based-buff
FAQ
What is CVE-2026-76869?
CVE-2026-76869 is a vulnerability with a CVSS score of 7.2 (HIGH). Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in reboot_timer_set.cgi caused by improper sscanf token parsing. Attackers can exploit this flaw by submitting crafted input t...
How severe is CVE-2026-76869?
CVE-2026-76869 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-76869?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.