CVE-2026-76869

Netcore NR255-V 1.5.130703 Stack-Based Buffer Overflow in reboot_timer_set.cgi

State: Published
Severity: 8.6 High
Published: Sep 15, 2026
Updated: Sep 17, 2026
Reserved: Aug 19, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	8.6 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	VulnCheck
3.1	7.2 High	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	VulnCheck

Weaknesses

CWE-121 Stack-based Buffer Overflow

Affected Products

Product	Versions
NR255-VNetcore	1.5.130703Affected

References

Netcore router public references: Stack-based Buffer Overflow in reboot_timer_set.cgi via sscanf Token Parsingthird-party-advisory
VulnCheck Advisory: Netcore NR255-V 1.5.130703 Stack-Based Buffer Overflow in reboot_timer_set.cgithird-party-advisory

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