PatchTheCVEdsl-7740c firmware vulnerabilities and fixes
Recent CVEs affecting dsl-7740c firmware, with upgrade or downgrade steps. 9 tracked.
Also searched as: dsl 7740c firmware, dsl-7740cfirmware.
dsl-7740c firmware has 9 tracked vulnerabilities, 2 critical. A fixed release or vendor patch exists for 0. Most recent: 2025-08-25. Highest priority: CVE-2025-29515 (score 57/100).
- CVE-2025-29523 HIGH 7.2 MITIGATE D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 was discovered to contain a command injection vulner
- CVE-2025-29522 MEDIUM 6.5 MITIGATE D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 was discovered to contain a command injection vulner
- CVE-2025-29521 MEDIUM 5.3 MITIGATE Insecure default credentials for the Adminsitrator account of D-Link DSL-7740C with firmware DSL7740C.V6.TR069
- CVE-2025-29520 MEDIUM 5.3 MITIGATE Incorrect access control in the Maintenance module of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.2021123
- CVE-2025-29519 MEDIUM 5.3 MITIGATE A command injection vulnerability in the EXE parameter of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.202
- CVE-2025-29517 MEDIUM 6.8 MITIGATE D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 was discovered to contain a command injection vulner
- CVE-2025-29516 HIGH 7.2 MITIGATE D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 was discovered to contain a command injection vulner
- CVE-2025-29515 CRITICAL 9.8 MITIGATE Incorrect access control in the DELT_file.xgi endpoint of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.202
- CVE-2025-29514 CRITICAL 9.8 MITIGATE Incorrect access control in the config.xgi function of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.202112
FAQ
How do I fix dsl-7740c firmware vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is dsl-7740c firmware being exploited right now?
None of the tracked dsl-7740c firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which dsl-7740c firmware CVE should I patch first?
CVE-2025-29515 currently ranks highest (57/100): Incorrect access control in the DELT_file.xgi endpoint of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.202.