Stack-based Buffer Overflow in Tenda AC15 Router Product
CVE-2025-5849

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ac15
Vendor
CVE Published:
8 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5849?

The Tenda AC15 router is susceptible to a stack-based buffer overflow due to improper handling of the 'remoteIp' argument in the HTTP POST request related to the 'formSetSafeWanWebMan' function. This vulnerability allows an attacker to exploit the system remotely, potentially leading to unauthorized access and control over the router. The exploit has been publicly disclosed, highlighting the urgency for users to update their devices to mitigate the associated risks.

Affected Version(s)

AC15 15.03.05.19_multi

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.

CVE-2025-5849 - Proof of Concept

References

https://vuldb.com/?id.311595
vdb-entrytechnical-description
https://vuldb.com/?ctiid.311595
signaturepermissions-required
https://vuldb.com/?submit.591375
third-party-advisory

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

ysnysn (VulDB User)
.
CVE-2025-5849 : Stack-based Buffer Overflow in Tenda AC15 Router Product