CVE-2026-76869

HIGHCVSS 7.2/10EPSS 0.43%

Last modified

CVE-2026-76869 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
NetcoreNR255-V1.5.130703

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-76869?
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.
How severe is CVE-2026-76869?
CVE-2026-76869 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.
How do I fix CVE-2026-76869?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST