Description
Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in ntools_tcpdump_start_set.cgi caused by an unsized sprintf call when processing form values. An attacker can submit crafted input to this cgi endpoint to overflow the stack buffer and potentially execute arbitrary code.
Published: 2026-09-15
Score: 8.7 High
EPSS: n/a
KEV: No
AI Analysis

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Remediation

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History

Tue, 15 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
Description Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in ntools_tcpdump_start_set.cgi caused by an unsized sprintf call when processing form values. An attacker can submit crafted input to this cgi endpoint to overflow the stack buffer and potentially execute arbitrary code.
Title Netcore NR255-V 1.5.130703 Stack-Based Buffer Overflow in ntools_tcpdump_start_set.cgi
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-15T21:57:54.885Z

Reserved: 2026-08-19T21:47:08.935Z

Link: CVE-2026-76861

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-15T22:17:00.480

Modified: 2026-09-15T22:17:00.480

Link: CVE-2026-76861

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses