Buffer Overflow Vulnerability in Tenda AC15 Router
CVE-2025-5851

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ac15
Vendor
CVE Published:
9 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5851?

A buffer overflow vulnerability exists in the Tenda AC15 router affecting the AdvSetLanip feature in the HTTP POST Request Handler. This issue arises due to improper handling of the lanMask argument, which can be exploited by attackers to execute arbitrary code remotely. If successfully exploited, this vulnerability could compromise the security of the device, allowing unauthorized access and control over the network.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

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-2025-5851 - Proof of Concept

References

https://vuldb.com/?id.311597
vdb-entrytechnical-description
https://vuldb.com/?ctiid.311597
signaturepermissions-required
https://vuldb.com/?submit.591384
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

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

Credit

Yangshuangning (VulDB User)
JSON
.