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Vulnerability record · CVE-2025-2620 · published 22 March 2025

CVE-2025-2620: Dlink dap-1620 firmware memory buffer overflow vulnerability

Dlink · Dap 1620 Firmware

A vulnerability has been found in D-Link DAP-1620 1.03 and classified as critical. This vulnerability affects the function mod_graph_auth_uri_handler of the file /storage of the component Authentication Handler. The manipulation leads to stack-based buffer overflow. The attack can be initiated 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.

9.3 CVSS 4.0 Critical EPSS 8.7% · top 5.0% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow
9.3CVSS 4.0 base score, v2 10.0
8.7%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 has been found in D-Link DAP-1620 1.03 and classified as critical. This vulnerability affects the function mod_graph_auth_uri_handler of the file /storage of the component Authentication Handler. The manipulation leads to stack-based buffer overflow. The attack can be initiated 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:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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://vuldb.com/?ctiid.300622 Permissions RequiredVDB Entry
https://vuldb.com/?id.300622 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.518969 Third Party AdvisoryVDB Entry
https://witty-maiasaura-083.notion.site/D-link-DAP-1620-mod_graph_auth_uri_handler-Vulnerability-1afb2f2a6361809ea7f2dc4 ExploitThird Party Advisory
https://www.dlink.com/ Product
https://witty-maiasaura-083.notion.site/D-link-DAP-1620-mod_graph_auth_uri_handler-Vulnerability-1afb2f2a6361809ea7f2dc4 ExploitThird Party Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2025-2620), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.