CVE-2026-108971
D-Link DCS-930L Emergency HTTP Recovery Server bootloader_region.bin mpfd_decode signature verification
D-Link DCS-930LNetwork & edge
CVSS
9.4CriticalExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 14 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.22%Chance of exploitation activity in the next 30 days, higher than 12% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
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.
Text from CVE List
Affected versions 1
- DCS-930Laffected: B1.08B4CVE List
References 6
- vuldb.com/cve/CVE-2026-108971Advisoryvia CVE List
- vuldb.com/submit/999605Advisoryvia CVE List
- github.com/sweethub521/somevul/blob/main/dlink-dcs930l-bootloader-emergency-room-flash.mdExploitvia CVE List
- vuldb.com/vuln/416789Referencevia CVE List
- vuldb.com/vuln/416789/ctiReferencevia CVE List
- dlink.com/Referencevia CVE List