CVE-2026-108971

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

Published Oct 13, 2026 CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
Description
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.

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 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.
Title D-Link DCS-930L Emergency HTTP Recovery Server bootloader_region.bin mpfd_decode signature verification
First Time appeared D-link
D-link dcs-930l
Weaknesses CWE-345
CWE-347
CPEs cpe:2.3:h:d-link:dcs-930l:*:*:*:*:*:*:*:*
Vendors & Products D-link
D-link dcs-930l
References
Metrics cvssV2_0

{'score': 10, 'vector': 'AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 9.6, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 9.6, 'vector': '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'}

cvssV4_0

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Oct 14, 2026, 1:37 PM
Reserved
Oct 11, 2026, 7:47 PM
Status
Deferred
Published
Oct 13, 2026, 6:16 AM
Modified
Oct 14, 2026, 2:17 PM