OCTOBER 14, 2026
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Case File

CVE-2026-76870

HIGH · CVSS 7.1 EPSS 0.40% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-15 · Last synced 2026-10-13

CyberRota Analysis

AI-Generated

The vulnerability affects the Netcore NR255-V version 1.5.130703, allowing attackers to exploit an out-of-bounds read condition during the pre-flash validation process, which can be triggered by uploading a truncated firmware image. This could lead to unauthorized access to sensitive data or system crashes. Organizations using this specific version of the Netcore NR255-V should prioritize patching to mitigate potential exploitation risks.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-76870
Severity
HIGH
CVSS
7.1
EPSS
0.40%

Original NVD Description

Netcore NR255-V version 1.5.130703 contains an out-of-bounds read vulnerability in the mtd_write pre-flash validation routine triggered by short firmware uploads. Attackers can upload a truncated firmware image via put_file_cgi.c to trigger out-of-bounds reads across main.c, check_image_uuid.c, and oemMD5Update.c.