Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-75976

CVE-2026-75976HIGH

TRENDnet TEW-823DRU NVRAM wan.cgi strcpy stack-based overflow

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   L   N   H   H   H    8.6   .0085   56.9     —

AFFECTED
  Product     Versions     Fixed
  TEW-823DRU  1.1.02b01 –  —

TIMELINE
  Aug 18  Reserved by VulDB
  Aug 18  Published (CNA: VulDB)
  Aug 19  RESCORED — CVE-2026-75976 (TRENDnet TEW-823DRU). CVSS 9.4 → 8.6 (NVD).
  Aug 24  EXPLOIT PUBLISHED — CVE-2026-75976 (TRENDnet TEW-823DRU). Public exploit reference added.

CWE-119, CWE-121 · CNA: VulDB · CVSS v4.0 · 6 references · NVD status: Deferred

Description

A weakness has been identified in TRENDnet TEW-823DRU 1.1.02b01. Impacted is the function strcpy of the file /cgi-bin/wan.cgi of the component NVRAM. This manipulation of the argument wan_l2tp_password causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
August 18, 2026	Reserved	Reserved by VulDB
August 18, 2026	Published	Published (CNA: VulDB)
August 19, 2026	RESCORED	RESCORED — CVE-2026-75976 (TRENDnet TEW-823DRU). CVSS 9.4 → 8.6 (NVD).
August 24, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-75976 (TRENDnet TEW-823DRU). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
TRENDnet	TEW-823DRU	—	1.1.02b01	—

Weaknesses

CWE-119 · CWE-121

References (6)

Authoritative record: CVE-2026-75976 at cve.org

Vendors: trendnet

Weaknesses: CWE-119 · CWE-121

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-75976 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.