CVE-2025-4356

Name: CVE-2025-4356
Creator: NVD / NIST
Published: 2025-05-06T14:15:42.113+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 1.24%

Last modified Jun 17, 2026

CVE-2025-4356 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. A vulnerability was found in Tenda DAP-1520 1.10B04_BETA02. It has been declared as critical. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

Description

A vulnerability was found in Tenda DAP-1520 1.10B04_BETA02. It has been declared 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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

8.7/10

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: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:X/V:X/RE:X/U:X

EPSS Probability

1.24%

65.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Dlink	Dap-1520 Firmware	1.10b04	Beta02

References

https://github.com/Ghostsuzhijian/Iot-/blob/main/dap1520_mod_graph_auth_uri_handler/dap1520_mod_graph_auth_uri_handler.mdExploit
https://vuldb.com/?ctiid.307474Permissions Required, VDB Entry
https://vuldb.com/?id.307474Third Party Advisory, VDB Entry
https://vuldb.com/?submit.564722Third Party Advisory, VDB Entry
https://www.tenda.com.cn/Product

Timeline

Published: May 6, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-4356?

How severe is CVE-2025-4356?

CVE-2025-4356 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.

How do I fix CVE-2025-4356?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-4356?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST