How severe is CVE-2020-18568?

CVE-2020-18568 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-18568 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-18568?

CVE-2020-18568 primarily affects Dlink Dsr-250 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-18568?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-18568 published?

CVE-2020-18568 was published on 2021-02-02 and last updated on 2026-06-17.

CVE-2020-18568

CVE-2020-18568 is a critical-severity vulnerability in Dlink Dsr-250 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 15% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 15% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Dlink Dsr-250 Firmware
Published: 2021-02-02
Last modified: 2026-06-17

Description

The D-Link DSR-250 (3.14) DSR-1000N (2.11B201) UPnP service contains a command injection vulnerability, which can cause remote command execution.

Frequently asked questions

What is CVE-2020-18568?: The D-Link DSR-250 (3.14) DSR-1000N (2.11B201) UPnP service contains a command injection vulnerability, which can cause remote command execution.
How severe is CVE-2020-18568?: CVE-2020-18568 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-18568 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-18568?: CVE-2020-18568 primarily affects Dlink Dsr-250 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-18568?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-18568 published?: CVE-2020-18568 was published on 2021-02-02 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:dlink:dsr-250_firmware:3.14:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dsr-1000n_firmware:2.11b201:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dsr-250 Firmware

CVE-2013-5946 — Critical (CVSS 10.0): The runShellCmd function in systemCheck.htm in D-Link DSR-150 with firmware before 1.08B44; DSR-150N with firmware…
CVE-2013-5945 — Critical (CVSS 9.8): Multiple SQL injection vulnerabilities in D-Link DSR-150 with firmware before 1.08B44; DSR-150N with firmware before…
CVE-2024-57376 — High (CVSS 8.8): Buffer Overflow vulnerability in D-Link DSR-150, DSR-150N, DSR-250, DSR-250N, DSR-500N, DSR-1000N from 3.13 to…
CVE-2020-25759 — High (CVSS 8.8): An issue was discovered on D-Link DSR-250 3.17 devices. Certain functionality in the Unified Services Router web…
CVE-2020-25758 — High (CVSS 8.8): An issue was discovered on D-Link DSR-250 3.17 devices. Insufficient validation of configuration file checksums could…
CVE-2020-25757 — High (CVSS 8.8): A lack of input validation and access controls in Lua CGIs on D-Link DSR VPN routers may result in arbitrary input…

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