PatchTheCVECVE-2025-6158: A vulnerability classified as critical has been found in D-Link DIR-665 1.00
CVE-2025-6158 is a high-severity flaw (CVSS 8.8) affecting dir-655 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A vulnerability classified as critical has been found in D-Link DIR-665 1.00. This affects the function sub_AC78 of the component HTTP POST Request Handler. The manipulation leads to stack-based buffer overflow. It is possible to initiate the attack 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.
Why this priority
- High severity
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-6158?
dir-655 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2025-6158 being exploited?
CVE-2025-6158 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-6158 affect?
CVE-2025-6158 affects dir-655 firmware. Severity is high (CVSS 8.8). A vulnerability classified as critical has been found in D-Link DIR-665 1.00. This affects the function sub_AC78 of the component HTTP POST Request Handler. The manipulation leads to stack-based buffer overflow. It is possible to initiate t
How urgent is CVE-2025-6158?
Priority 53/100. High severity; Public exploit reference