Buffer Overflow in Tenda AC8 Wireless Router
CVE-2025-12618

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ac8
Vendor
CVE Published:
3 November 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-12618?

A buffer overflow vulnerability exists in the Tenda AC8 wireless router, specifically within the /goform/DatabaseIniSet endpoint. This issue allows remote attackers to exploit the manipulation of the Time argument, potentially compromising the device's stability and integrity. As the flaw has been publicly disclosed, it poses a significant risk to users who may not apply necessary patches or security measures.

Affected Version(s)

AC8 16.03.34.06

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-2025-12618 - Proof of Concept

References

https://vuldb.com/?id.330912
vdb-entrytechnical-description
https://vuldb.com/?ctiid.330912
signaturepermissions-required
https://vuldb.com/?submit.678887
third-party-advisory

EPSS Score

5% chance of being exploited in the next 30 days.

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

1935648903 (VulDB User)
.