VDB-321322 · CVE-2025-29515 · GCVE-0-2025-29515

D-Link DSL-7740C DSL7740C.V6.TR069.20211230 XML Database DELT_file.xgi access control

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.
4.3	$5k-$25k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in D-Link DSL-7740C DSL7740C.V6.TR069.20211230. Affected by this issue is some unknown functionality of the file DELT_file.xgi of the component XML Database Handler. Executing a manipulation can lead to access control. This vulnerability is tracked as CVE-2025-29515. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in D-Link DSL-7740C DSL7740C.V6.TR069.20211230 and classified as critical. This vulnerability affects an unknown functionality of the file DELT_file.xgi of the component XML Database Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect integrity. CVE summarizes:

Incorrect access control in the DELT_file.xgi endpoint of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows attackers to modify arbitrary settings within the device's XML database, including the administrator’s password.

This vulnerability was named CVE-2025-29515 since 03/11/2025. The exploitation appears to be easy. The attack can be initiated remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 09/03/2025). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

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 best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

D-Link

Name

DSL-7740C

Version

DSL7740C.V6.TR069.20211230

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

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: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/11/2025 CVE reserved
08/25/2025 +166 days Advisory disclosed
08/25/2025 +0 days VulDB entry created
09/03/2025 +9 days VulDB entry last update

Sourcesinfo

Vendor: dlink.com

Status: Not defined

CVE: CVE-2025-29515 (🔒)
GCVE (CVE): GCVE-0-2025-29515
GCVE (VulDB): GCVE-100-321322

Entryinfo

Created: 08/25/2025 16:43
Updated: 09/03/2025 04:39
Changes: 08/25/2025 16:43 (53), 09/03/2025 04:39 (1)
Complete: 🔍
Cache ID: 216::103