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-2026-82593

CVE-2026-82593HIGH

D-Link DIR-825M LTE Module Firmware Upgrade formLtefotaUpgradeFibocom sub_41802C 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   .0091   58.6     —

AFFECTED
  Product   Versions  Fixed
  DIR-825M  1.1.8 –   —

TIMELINE
  Aug 30  Reserved by VulDB
  Aug 30  Published (CNA: VulDB)
  Aug 31  RESCORED — CVE-2026-82593 (D-Link DIR-825M). CVSS 9.4 → 8.6 (NVD).
  Sep 1   EXPLOIT PUBLISHED — CVE-2026-82593 (D-Link DIR-825M). Public exploit reference added.

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

Description

A flaw has been found in D-Link DIR-825M 1.1.8. This impacts the function sub_41802C of the file /boafrm/formLtefotaUpgradeFibocom of the component LTE Module Firmware Upgrade. This manipulation of the argument fota_url causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be used.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
August 30, 2026	Reserved	Reserved by VulDB
August 30, 2026	Published	Published (CNA: VulDB)
August 31, 2026	RESCORED	RESCORED — CVE-2026-82593 (D-Link DIR-825M). CVSS 9.4 → 8.6 (NVD).
September 1, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-82593 (D-Link DIR-825M). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
D-Link	DIR-825M	—	1.1.8	—

Weaknesses

CWE-119 · CWE-121

References (6)

Authoritative record: CVE-2026-82593 at cve.org

Vendors: d-link

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-2026-82593 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.