VDB-247161 · Submit #242549 · CVE-2023-6580

D-Link DIR-846 FW100A53DBR QoS POST /HNAP1/ smartqos_express_devices/smartqos_normal_devices deserialization

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in D-Link DIR-846 FW100A53DBR. It has been classified as critical. This affects an unknown part of the file /HNAP1/ of the component QoS POST Handler. Performing a manipulation of the argument smartqos_express_devices/smartqos_normal_devices results in deserialization. This vulnerability is identified as CVE-2023-6580. The attack can be initiated remotely. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as critical, was found in D-Link DIR-846 FW100A53DBR (Router Operating System). This affects an unknown code block of the file /HNAP1/ of the component QoS POST Handler. The manipulation of the argument smartqos_express_devices/smartqos_normal_devices with an unknown input leads to a deserialization vulnerability. CWE is classifying the issue as CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 12/07/2023 by Françoa Taffarel (exord26) with Lab-C2DC-ITA. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2023-6580. Technical details and a public exploit are known.

After before and not just, there has been an exploit disclosed. The exploit is shared for download at github.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 148 days. During that time the estimated underground price was around $5k-$25k. The vendor was contacted early about this disclosure but did not respond in any way.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Router Operating System

Vendor

D-Link

Name

DIR-846

Version

FW100A53DBR

License

commercial

Website

Vendor: https://www.dlink.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.5

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (VulDB): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/12/2023 🔍
12/07/2023 +148 days 🔍
12/07/2023 +0 days 🔍
12/07/2023 +0 days 🔍
12/30/2023 +23 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Researcher: Françoa Taffarel (exord26)
Organization: Lab-C2DC-ITA
Status: Not defined

CVE: CVE-2023-6580 (🔍)
GCVE (CVE): GCVE-0-2023-6580
GCVE (VulDB): GCVE-100-247161
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/07/2023 14:21
Updated: 12/30/2023 16:53
Changes: 12/07/2023 14:21 (53), 12/07/2023 16:17 (7), 12/30/2023 16:46 (2), 12/30/2023 16:53 (18)
Complete: 🔍
Submitter: francoa.taffarel
Committer: francoa.taffarel
Cache ID: 216::103

Submitinfo

Accepted

Submit #242549: D-LINK DIR-846 FW100A53DBR Remote Command Execution (by francoa.taffarel)