CVE-2026-82593

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

Published Aug 30, 2026 CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title D-Link DIR-825M LTE Module Firmware Upgrade formLtefotaUpgradeFibocom sub_41802C stack-based overflow
First Time appeared D-link
D-link dir-825m
Weaknesses CWE-119
CWE-121
CPEs cpe:2.3:h:d-link:dir-825m:*:*:*:*:*:*:*:*
Vendors & Products D-link
D-link dir-825m
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 9.9, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 9.9, 'vector': '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'}

cvssV4_0

{'score': 9.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Sep 1, 2026, 2:20 PM
Reserved
Aug 30, 2026, 6:17 AM
Status
Deferred
Published
Aug 31, 2026, 12:16 AM
Modified
Sep 1, 2026, 3:17 PM