CVE-2026-82593

CRITICAL 9.9

D-Link DIR-825M LTE Module Firmware Upgrade formLtefotaUpgradeFibocom sub_41802C stack-based overflow

CVSS Score

9.9

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-121 CWE-119
Vendor	d-link
Product	dir-825m
Published	Aug 30, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

D-Link / DIR-825M

1.1.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/397088 vuldb.com: https://vuldb.com/vuln/397088/cti vuldb.com: https://vuldb.com/cve/CVE-2026-82593 vuldb.com: https://vuldb.com/submit/892516 github.com: https://github.com/Robots10/IoT_vlu/blob/main/reports/Dlink/formLtefotaUpgradeFibocom/formLtefotaUpgradeFibocom.md dlink.com: https://www.dlink.com/

Credits

🔍 hacker128 (VulDB User)