Vulnerability record · CVE-2026-82593 · published 31 August 2026

CVE-2026-82593: Memory buffer overflow vulnerability

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.

8.6 CVSS 4.0 High EPSS 0.91% · top 41.6% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow Deferred

8.6CVSS 4.0 base score, v2 9.0

0.91%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

6References

1 Sep 2026Last modified by NVD

Description

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-82593), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.