Stack-Based Buffer Overflow in Tenda DAP-1520
CVE-2025-4354

8.7HIGH

Key Information:

Vendor
Tenda
Status
Vendor
CVE Published:
6 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A vulnerability exists in the Tenda DAP-1520 device that affects its /storage component, specifically the function check_dws_cookie. Exploiting this vulnerability can lead to a stack-based buffer overflow, which may allow an attacker to execute arbitrary code remotely. Given its public disclosure, this flaw poses a significant risk to users, emphasizing the need for prompt patching and security audits.

Affected Version(s)

DAP-1520 1.10B04_BETA02

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

duojie_0x00 (VulDB User)
.
CVE-2025-4354 : Stack-Based Buffer Overflow in Tenda DAP-1520 | SecurityVulnerability.io