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: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Mon, 21 Sep 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 17 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Netcore
Netcore nr255-v
Vendors & Products Netcore
Netcore nr255-v

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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-21T18:13:26.296Z

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

Link: CVE-2026-76861

cve-icon Vulnrichment

Updated: 2026-09-21T18:13:22.431Z

cve-icon NVD

Status : Deferred

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

Modified: 2026-09-21T19:17:10.563

Link: CVE-2026-76861

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-18T13:30:09Z

Weaknesses