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Dsl 7740C Firmware CVE-2025-29516

HIGH
Command Injection (CWE-77)
2025-08-25 cve@mitre.org
7.2
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.2 HIGH
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 19:08 vuln.today
PoC Detected
Sep 02, 2025 - 18:17 vuln.today
Public exploit code
CVE Published
Aug 25, 2025 - 14:15 nvd
HIGH 7.2

DescriptionCVE.org

D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 was discovered to contain a command injection vulnerability via the backup function.

AnalysisAI

D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 was discovered to contain a command injection vulnerability via the backup function. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 was discovered to contain a command injection vulnerability via the backup function. Affected products include: Dlink Dsl-7740C Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.

CVE-2020-12774 MEDIUM
6.7 Jul 22

D-Link DSL-7740C does not properly validate user input, which allows an authenticated LAN user to inject arbitrary comma

CVE-2025-29523 HIGH POC
7.2 Aug 25

D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 was discovered to contain a command injection vulnerability vi

CVE-2025-29522 MEDIUM POC
6.5 Aug 25

D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 was discovered to contain a command injection vulnerability vi

CVE-2025-29521 MEDIUM POC
5.3 Aug 25

Insecure default credentials for the Adminsitrator account of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230

CVE-2025-29520 MEDIUM POC
5.3 Aug 25

Incorrect access control in the Maintenance module of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows a

CVE-2025-29519 MEDIUM POC
5.3 Aug 25

A command injection vulnerability in the EXE parameter of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allo

CVE-2025-29517 MEDIUM POC
6.8 Aug 25

D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 was discovered to contain a command injection vulnerability vi

CVE-2025-29515 CRITICAL POC
9.8 Aug 25

Incorrect access control in the DELT_file.xgi endpoint of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allo

CVE-2025-29514 CRITICAL POC
9.8 Aug 25

Incorrect access control in the config.xgi function of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows

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CVE-2025-29516 vulnerability details – vuln.today

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