How severe is CVE-2020-25078?

CVE-2020-25078 has a CVSS score of 7.5/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2020-25078?

Affected package information for CVE-2020-25078 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2020-25078?

No fixed version has been published for CVE-2020-25078 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2020-25078 actively exploited in the wild?

Yes. There are 5 known exploit references for CVE-2020-25078, including 4 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2020-25078?

CVE-2020-25078 has an EPSS (Exploit Prediction Scoring System) score of 94.1%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Is CVE-2020-25078 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2020-25078 (D-Link DCS-2530L and DCS-2670L Devices Unspecified Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2025-08-05. CISA required all US federal civilian agencies to remediate this vulnerability by 2025-08-26. The required action was: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

Which products and versions are affected by CVE-2020-25078?

CVE-2020-25078 affects dlink dcs-2530l firmware; dlink dcs-2670l firmware; dlink dcs-4603 firmware; dlink dcs-4622 firmware, and 5 more product(s). Check the affected-products list on this page against your deployed version to confirm exposure.

Is there exploit tooling available for CVE-2020-25078?

A Nuclei detection template exists for CVE-2020-25078, meaning automated scanners can fingerprint it. Public exploit tooling significantly increases real-world risk — prioritize patching and ensure detection coverage. Exploit tooling should only ever be used in isolated, authorized testing environments.

When was CVE-2020-25078 published, and has it been updated?

CVE-2020-25078 was published on September 2, 2020 and was last updated on November 7, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2025-08-05 — agencies required to remediate by 2025-08-26

CVE-2020-25078

HIGH

An issue was discovered on D-Link DCS-2530L before 1.06.01 Hotfix and DCS-2670L through 2.02 devices. The unauthenticated /config/getuser endpoint allows for remote administrator password disclosure.

Published

Sep 2, 2020

Updated

Nov 7, 2025

Affected

0 pkgs

Patched

None yet

Exploits

5 known

EPSS Exploitation Probability

via FIRST.org ↗

94.1%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

An issue was discovered on D-Link DCS-2530L before 1.06.01 Hotfix and DCS-2670L through 2.02 devices. The unauthenticated /config/getuser endpoint allows for remote administrator password disclosure.

Affected Products

9 products · 9 configurations

dcs-2530l firmwaredlink

≤ 1.05.05

range

dcs-2670l firmwaredlink

< 2.03.00

range

dcs-4603 firmwaredlink

< 1.04.02

range

dcs-4622 firmwaredlink

< 2.01.10

range

dcs-4701e firmwaredlink

< 2.03.01

range

dcs-4703e firmwaredlink

< 1.03.04

range

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

An issue was discovered on D-Link DCS-2530L before 1.06.01 Hotfix and DC…

github.comGithubApr 2021

An issue was discovered on D-Link DCS-2530L before 1.06.01 Hotfix and DC…

github.comGithubMar 2021

An issue was discovered on D-Link DCS-2530L before 1.06.01 Hotfix and DC…

github.comAPIMar 2021

An issue was discovered on D-Link DCS-2530L before 1.06.01 Hotfix and DC…

unit42.paloaltonetworks.comAPIMay 2021

Frequently Asked Questions

An issue was discovered on D-Link DCS-2530L before 1.06.01 Hotfix and DCS-2670L through 2.02 devices. The unauthenticated /config/getuser endpoint allows for remote administrator password disclosure.

O3 Security · Impact-Aware SCA

Is CVE-2020-25078 in your stack?

O3 detects CVE-2020-25078 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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