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Vulnerability record · CVE-2025-6158 · published 17 June 2025

CVE-2025-6158: Dlink dir-655 firmware memory buffer overflow vulnerability

Dlink · Dir 655 Firmware

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.

7.4 CVSS 4.0 High EPSS 1.2% · top 33.7% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow
7.4CVSS 4.0 base score, v2 9.0
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir665-dlink ExploitThird Party Advisory
https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir665-dlink#poc ExploitThird Party Advisory
https://vuldb.com/?ctiid.312633 Permissions RequiredVDB Entry
https://vuldb.com/?id.312633 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.593161 Third Party AdvisoryVDB Entry
https://www.dlink.com/ Product

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-6158), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.