Buffer Overflow Vulnerability in Tenda AC15's HTTP POST Request Handler
CVE-2025-5848

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ac15
Vendor
CVE Published:
8 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5848?

A vulnerability exists in the Tenda AC15 router related to the function formSetPPTPUserList within the HTTP POST Request Handler, specifically in the file /goform/setPptpUserList. This buffer overflow can be exploited remotely through crafted requests. The issue arises from improper handling of argument lists, potentially allowing unauthorized modification. With public disclosure of the exploit, users are urged to take immediate action to secure their devices.

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-2025-5848 - Proof of Concept

References

https://vuldb.com/?id.311594
vdb-entrytechnical-description
https://vuldb.com/?ctiid.311594
signaturepermissions-required
https://vuldb.com/?submit.591372
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

ysnysn0121 (VulDB User)
.