Heap-based Buffer Overflow in Tenda DAP-1520
CVE-2025-4355
8.7HIGH
Key Information:
Badges
👾 Exploit Exists🟡 Public PoC
Summary
The Tenda DAP-1520 router is susceptible to a heap-based buffer overflow that occurs in the function set_ws_action accessible via the /dws/api/. This vulnerability may be exploited remotely, potentially allowing malicious actors to manipulate memory and execute arbitrary code. Disclosed publicly, this flaw emphasizes the need for immediate security measures to safeguard affected users against exploitation.
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)