CVE-2026-82593— D-Link DIR-825M LTE Module Firmware Upgrade formLtefotaUpgradeFibocom sub_41802C stack-based overflow
Quick assessment
Affected
D-Link DIR-825M
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 D-Link DIR-825M 1.1.8 中发现了一个缺陷。该缺陷影响组件“LTE 模块固件升级”中文件 的函数 。通过操纵参数 可触发基于栈的缓冲区溢出漏洞。该漏洞可被远程利用，且已有公开的利用代码。
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I. Basic Information for CVE-2026-82593
Vulnerability Information
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Vulnerability Title
D-Link DIR-825M LTE Module Firmware Upgrade formLtefotaUpgradeFibocom sub_41802C stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-82593
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-82593 (2)
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🔗 Submit #892516: D-Link DIR-825M v1.1.8 Stack-based Buffer Overflow third-party-advisory
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🔗 CVE-2026-82593 D-Link DIR-825M LTE Module Firmware Upgrade formLtefotaUpgradeFibocom sub_41802C stack-based overflow vdb-entry technical-description
Proof of Concept for CVE-2026-82593 (1)
Vendor Pages for CVE-2026-82593 (1)
Other References for CVE-2026-82593 (1)
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🔗 CVE-2026-82593 in DIR-825M third-party-advisory
Same Patch Batch · D-Link · 2026-08-30 · 3 CVEs total
| CVE-2026-82592 | 9.9 CRITICAL | D-Link DIR-825M Disk Formatting Handler Endpoint formDiskFormat sub_46725C stack-based ove |
| CVE-2026-82595 | 7.4 HIGH | D-Link DIR-825M System Command Execution formSysCmd sub_456CF4 command injection |
IV. Related Vulnerabilities
Same product: DIR-825M
-
CVE-2026-82595
D-Link DIR-825M System Command Execution formSysCmd sub_456C -
CVE-2026-82592
D-Link DIR-825M Disk Formatting Handler Endpoint formDiskFor -
CVE-2026-7289
D-Link DIR-825M formWanConfigSetup sub_414BA8 buffer overflo -
CVE-2026-7288
D-Link DIR-825M formVpnConfigSetup sub_4151FC buffer overflo
Same vendor: D-Link
-
CVE-2026-82595
D-Link DIR-825M System Command Execution formSysCmd sub_456C -
CVE-2026-82592
D-Link DIR-825M Disk Formatting Handler Endpoint formDiskFor -
CVE-2026-19893
D-Link DIR-842 vsftpd vsftpd.conf default permission -
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D-Link DNS-1550-04 remote_backup.cgi cgi_check_rsync_rw comm -
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Same weakness: CWE-121
-
CVE-2026-82592
D-Link DIR-825M Disk Formatting Handler Endpoint formDiskFor -
CVE-2026-82478
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V. Comments for CVE-2026-82593
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