CVE-2025-5621

CRITICAL 9.8CVE-2025-5621 · Published 05/06/2025 · updated 17/06/2026

In short

CVE-2025-5621 is a CRITICAL (CVSS 9.8) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 5.4%, higher than 92.7% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

Description

A vulnerability has been found in D-Link DIR-816 1.10CNB05 and classified as critical. Affected by this vulnerability is the function qosClassifier of the file /goform/qosClassifier. The manipulation of the argument dip_address/sip_address leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

References

wudipjq/my_vuln · Exploit
vuldb.com · Permissions Required
vuldb.com · Third Party Advisory
vuldb.com · Third Party Advisory
dlink.com · Product

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