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Netcore NR268 1.7.121109 Forgeable Firmware Authenticity Check in mtd_write

CVSS 4.0 8.7 HIGHCVSS 3.1 8.8 HIGHCheck source for fixed versionsKEV status unknown

cve-program · CVE-2026-76852

Published

Netcore NR268 firmware version 1.7.121109 has an improper integrity verification flaw in mtd_write allowing forged firmware authenticity checks. Attackers can exploit put_file.cgi and check_image_uuid.c to bypass firmware signature validation and load unauthorized firmware images.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-76852

Published

NR268

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Netcore",
                    "product": "NR268",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "1.7.121109",
                            "status": "affected",
                            "versionType": "custom"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

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Sources read 13 Nov 07:12 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current