CVE-2025-29516
Published: 25 August 2025
Summary
CVE-2025-29516 is a high-severity Command Injection (CWE-77) vulnerability in Dlink Dsl-7740C Firmware. Its CVSS base score is 7.2 (High).
Operationally, ranked in the top 19.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
D-Link DSL-7740C routers running firmware DSL7740C.V6.TR069.20211230 contain a command injection vulnerability in the backup function, tracked as CVE-2025-29516 and assigned CWE-77. The flaw received a CVSS 3.1 score of 7.2, reflecting network-accessible exploitation that requires high privileges but no user interaction.
An authenticated administrator can supply crafted input to the backup functionality and execute arbitrary operating-system commands on the device. Successful exploitation grants full control over confidentiality, integrity, and availability of the router, enabling actions such as configuration changes, credential theft, or persistent access.
D-Link has published a security bulletin addressing the issue, while a public gist provides technical details on the injection vector. The associated EPSS score remains low and unchanged at 0.0105, indicating no material increase in observed exploitation interest since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-27743
Vulnerability details
D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 was discovered to contain a command injection vulnerability via the backup function.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.