CVE-2020-12774
CVE-2020-12774 is a high-severity vulnerability in Dlink Dsl-7740c Firmware with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.
Key facts
- Severity: High (CVSS 3.x base score 8.2)
- CVSS v2: 4.6
- EPSS exploit prediction: 0% (35th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-78
- Affected product: Dlink Dsl-7740c Firmware
- Published:
- Last modified:
Description
D-Link DSL-7740C does not properly validate user input, which allows an authenticated LAN user to inject arbitrary command.
Frequently asked questions
- What is CVE-2020-12774?
- D-Link DSL-7740C does not properly validate user input, which allows an authenticated LAN user to inject arbitrary command.
- How severe is CVE-2020-12774?
- CVE-2020-12774 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-12774 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-12774?
- CVE-2020-12774 affects Dlink Dsl-7740c Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-12774?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-12774 published?
- CVE-2020-12774 was published on 2020-07-22 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:dlink:dsl-7740c_firmware:v6.tr069.20180723:*:*:*:*:*:*:*
More vulnerabilities in Dlink Dsl-7740c Firmware
- CVE-2025-29515 — Critical (CVSS 9.8): Incorrect access control in the DELT_file.xgi endpoint of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230…
- CVE-2025-29514 — Critical (CVSS 9.8): Incorrect access control in the config.xgi function of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows…
- CVE-2025-29523 — High (CVSS 7.2): D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 was discovered to contain a command injection vulnerability…
- CVE-2025-29516 — High (CVSS 7.2): D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 was discovered to contain a command injection vulnerability…
- CVE-2025-29517 — Medium (CVSS 6.8): D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 was discovered to contain a command injection vulnerability…
- CVE-2025-29522 — Medium (CVSS 6.5): D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 was discovered to contain a command injection vulnerability…
All CVEs affecting Dlink Dsl-7740c Firmware →
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