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CVE-2025-4356: Tenda DAP-1520 Authentication storage mod_graph_auth_uri_handler stack-based overflow

8.8 CVSS

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. In Tenda DAP-1520 1.10B04_BETA02 wurde eine Schwachstelle ausgemacht. Sie wurde als kritisch eingestuft. Hierbei betrifft es die Funktion mod_graph_auth_uri_handler der Datei /storage der Komponente Authentication Handler. Mit der Manipulation mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff über das Netzwerk. Der Exploit steht zur öffentlichen Verfügung.

Classification

CVE ID: CVE-2025-4356

CVSS Base Severity: HIGH

CVSS Base Score: 8.8

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

Problem Types

Stack-based Buffer Overflow Memory Corruption

Affected Products

Vendor: Tenda

Product: DAP-1520

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.1% (probability of being exploited)

EPSS Percentile: 29.18% (scored less or equal to compared to others)

EPSS Date: 2025-06-04 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: poc

SSVC Technical Impact: total

SSVC Automatable: false

References

https://nvd.nist.gov/vuln/detail/CVE-2025-4356
https://vuldb.com/?id.307474
https://vuldb.com/?ctiid.307474
https://vuldb.com/?submit.564722
https://github.com/Ghostsuzhijian/Iot-/blob/main/dap1520_mod_graph_auth_uri_handler/dap1520_mod_graph_auth_uri_handler.md
https://www.tenda.com.cn/

Timeline