CVE-2026-108971

CRITICAL 9.6

D-Link DCS-930L Emergency HTTP Recovery Server bootloader_region.bin mpfd_decode signature verification

CVSS Score

9.6

EPSS Score

0.0%

EPSS Percentile

0th

A flaw has been found in D-Link DCS-930L B1.08B4. This impacts the function mpfd_decode of the file bootloader_region.bin of the component Emergency HTTP Recovery Server. Executing a manipulation of the argument firmware can lead to improper verification of cryptographic signature. The attack may be performed from remote. The exploit has been published and may be used.

CWE	CWE-347 CWE-345
Vendor	d-link
Product	dcs-930l
Published	Oct 13, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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 / DCS-930L

B1.08B4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/416789 vuldb.com: https://vuldb.com/vuln/416789/cti vuldb.com: https://vuldb.com/cve/CVE-2026-108971 vuldb.com: https://vuldb.com/submit/999605 github.com: https://github.com/sweethub521/somevul/blob/main/dlink-dcs930l-bootloader-emergency-room-flash.md dlink.com: https://www.dlink.com/

Credits

🔍 sleep (VulDB User)