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CVE-2018-25120

9.8 · CRITICAL

D-Link DNS-343 ShareCenter devices running firmware versions up to and including 1.05 contain a command injection vulnerability in the Mail Test functionality.

Published Oct 29, 2025CWE-78EPSS 9.81%

Overview

CVE-2018-25120 is a critical-severity vulnerability. It was published on October 29, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

D-Link DNS-343 ShareCenter devices running firmware versions up to and including 1.05 contain a command injection vulnerability in the Mail Test functionality. The web maintenance script posts to the internal goForm endpoint '/goform/Mail_Test' and uses several form parameters directly in a call to a system email utility without proper input validation. An unauthenticated remote attacker can supply crafted form data that injects shell commands, resulting in execution as root on the device. NOTE: The DNS-343 product line has been declared end-of-life.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/jamesbercegay/advisories/blob/master/%5BGTSA-00128%5D%20D-Link%20DNS-343%20ShareCenter%201.05%20Remote%20Root.txtRefqkl.seebug.org/vuldb/ssvid-97088Refwww.dlink.com/al/sq/products/dns-343-sharecenter-4-bay-network-storage-enclosureRefwww.exploit-db.com/exploits/43845Refwww.vulncheck.com/advisories/dlink-dns343-sharecenter-command-injection-via-goform-mail-test

How CyberStrike helps

Frequently asked questions

What is CVE-2018-25120?

CVE-2018-25120 is a critical-severity vulnerability. It was published on October 29, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2018-25120?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-25120?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-25120?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-25120 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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