Buffer Overflow Vulnerability in Tenda AC15 Router
CVE-2025-5850

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ac15
Vendor
CVE Published:
8 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5850?

A buffer overflow vulnerability has been identified in the Tenda AC15 router specifically within the HTTP POST Request Handler. This flaw arises in the function formsetschedled located in the /goform/SetLEDCf component. An attacker can exploit this vulnerability remotely by manipulating the Time argument, potentially leading to unauthorized access or further exploitation of the device. The public disclosure of this exploit highlights the urgency for affected users to update their router software to mitigate potential 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-2025-5850 - Proof of Concept

References

https://vuldb.com/?id.311596
vdb-entrytechnical-description
https://vuldb.com/?ctiid.311596
signaturepermissions-required
https://vuldb.com/?submit.591376
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

ysnysnysn (VulDB User)
.
CVE-2025-5850 : Buffer Overflow Vulnerability in Tenda AC15 Router