How severe is CVE-2020-25079?

CVE-2020-25079 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-25079 being actively exploited?

Yes. CVE-2020-25079 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-08-05, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2020-25079?

CVE-2020-25079 primarily affects Dlink Dcs-4703e Firmware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-25079?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2020-25079 have an EU (EUVD) identifier?

Yes. CVE-2020-25079 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-17771. It is also flagged as exploited in the EUVD (since 2025-08-05).

When was CVE-2020-25079 published?

CVE-2020-25079 was published on 2020-09-02 and last updated on 2026-06-17.

CVE-2020-25079

CVE-2020-25079 is a high-severity vulnerability in Dlink Dcs-4703e Firmware with a CVSS 3.x base score of 8.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2025-08-05). The underlying weakness is classified as CWE-77.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 53% (99th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2025-08-05)
EU (EUVD) id: EUVD-2020-17771
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2025-08-05)
Weakness: CWE-77
Affected product: Dlink Dcs-4703e Firmware
Published: 2020-09-02
Last modified: 2026-06-17

Description

An issue was discovered on D-Link DCS-2530L before 1.06.01 Hotfix and DCS-2670L through 2.02 devices. cgi-bin/ddns_enc.cgi allows authenticated command injection.

Frequently asked questions

What is CVE-2020-25079?: An issue was discovered on D-Link DCS-2530L before 1.06.01 Hotfix and DCS-2670L through 2.02 devices. cgi-bin/ddns_enc.cgi allows authenticated command injection.
How severe is CVE-2020-25079?: CVE-2020-25079 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-25079 being actively exploited?: Yes. CVE-2020-25079 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-08-05, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2020-25079?: CVE-2020-25079 primarily affects Dlink Dcs-4703e Firmware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-25079?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2020-25079 have an EU (EUVD) identifier?: Yes. CVE-2020-25079 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-17771. It is also flagged as exploited in the EUVD (since 2025-08-05).
When was CVE-2020-25079 published?: CVE-2020-25079 was published on 2020-09-02 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:o:dlink:dcs-4703e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dcs-4705e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dcs-4802e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dcs-p703_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dcs-4603_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dcs-4622_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dcs-4701e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dcs-2530l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dcs-2670l_firmware:*:*:*:*:*:*:*:*

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