D-Link DCS-930L B1.08B4 Emergency HTTP Recovery Server bootloader_region.bin mpfd_decode firmware signature verification

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.7$0-$5k3.14-

Summaryinfo

A vulnerability identified as very critical has been detected in D-Link DCS-930L B1.08B4. Affected is the function mpfd_decode of the file bootloader_region.bin of the component Emergency HTTP Recovery Server. The manipulation of the argument firmware leads to signature verification. This vulnerability is traded as CVE-2026-108971. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in D-Link DCS-930L B1.08B4. It has been rated as very critical. This issue affects the function mpfd_decode of the file bootloader_region.bin of the component Emergency HTTP Recovery Server. The manipulation of the argument firmware with an unknown input leads to a signature verification vulnerability. Using CWE to declare the problem leads to CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. Impacted is confidentiality, integrity, and availability.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-108971. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/11/2026).

The exploit is available at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.6
VulDB Meta Temp Score: 8.7

VulDB Base Score: 9.6
VulDB Temp Score: 8.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/11/2026 Advisory disclosed
10/11/2026 +0 days VulDB entry created
10/11/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2026-108971 (🔒)
GCVE (CVE): GCVE-0-2026-108971
GCVE (VulDB): GCVE-100-416789
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/11/2026 21:52
Changes: 10/11/2026 21:52 (57)
Complete: 🔍
Submitter: sleep
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #999605: D-Link DCS-930L Network Camera B1.08B4 / firmware 1.08 Improper Verification of Cryptographic Signature (by sleep)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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