D-Link DSL-7740C DSL7740C.V6.TR069.20211230 ping6 command injection
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $5k-$25k | 0.00 |
Summary
A vulnerability labeled as critical has been found in D-Link DSL-7740C DSL7740C.V6.TR069.20211230. This impacts the function ping6. Executing a manipulation can lead to command injection.
This vulnerability is tracked as CVE-2025-29523. The attack can be launched remotely. No exploit exists.
Details
A vulnerability was found in D-Link DSL-7740C DSL7740C.V6.TR069.20211230. It has been declared as critical. This vulnerability affects the function ping6. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 was discovered to contain a command injection vulnerability via the ping6 function.
This vulnerability was named CVE-2025-29523 since 03/11/2025. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 08/25/2025). The MITRE ATT&CK project declares the attack technique as T1202.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-25705). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.dlink.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.3
VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Command injectionCWE: CWE-77 / CWE-74 / CWE-707
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 |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
03/11/2025 CVE reserved08/25/2025 Advisory disclosed
08/25/2025 VulDB entry created
08/25/2025 VulDB entry last update
Sources
Vendor: dlink.comStatus: Not defined
CVE: CVE-2025-29523 (🔒)
GCVE (CVE): GCVE-0-2025-29523
GCVE (VulDB): GCVE-100-321352
EUVD: 🔒
Entry
Created: 08/25/2025 17:43Updated: 08/25/2025 20:18
Changes: 08/25/2025 17:43 (52), 08/25/2025 20:18 (1)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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