VDB-238126 · CVE-2023-35747 · ZDI-23-1252

D-Link DAP-2622 DDP Service stack-based overflow

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.
8.7	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in D-Link DAP-2622. This impacts an unknown function of the component DDP Service. Executing a manipulation can lead to stack-based overflow. This vulnerability is handled as CVE-2023-35747. The attack can only be done within the local network. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in D-Link DAP-2622 (version unknown) and classified as critical. This vulnerability affects an unknown function of the component DDP Service. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

D-Link DAP-2622 DDP Firmware Upgrade Auth Password Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2622 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the DDP service. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-20075.

The weakness was released 08/26/2023 as ZDI-23-1252. The advisory is available at zerodayinitiative.com. This vulnerability was named CVE-2023-35747 since 06/15/2023. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 05/13/2025).

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

D-Link

Name

DAP-2622

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: 8.7

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/15/2023 🔍
08/26/2023 +72 days 🔍
08/26/2023 +0 days 🔍
05/13/2025 +626 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: ZDI-23-1252
Status: Confirmed

CVE: CVE-2023-35747 (🔍)
GCVE (CVE): GCVE-0-2023-35747
GCVE (VulDB): GCVE-100-238126

Entryinfo

Created: 08/26/2023 14:03
Updated: 05/13/2025 16:14
Changes: 08/26/2023 14:03 (38), 09/19/2024 07:09 (27), 05/13/2025 16:14 (10)
Complete: 🔍
Cache ID: 216::103