Buffer Overflow Vulnerability in Tenda A15 from Network Gateway Function
CVE-2025-12619

8.7HIGH

Key Information:

Vendor

Tenda
Status
A15
Vendor
CVE Published:
3 November 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-12619?

A buffer overflow vulnerability has been identified in the Tenda A15, specifically within the fromSetWirelessRepeat function located in /goform/openNetworkGateway. This flaw arises from improper handling of the wpapsk_crypto2_4g argument, which an attacker can exploit remotely. Publicly available exploit techniques indicate that this vulnerability could be leveraged to compromise the device's security, potentially allowing unauthorized access and manipulation of the network configurations.

Affected Version(s)

A15 15.13.07.13

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-2025-12619 - Proof of Concept

References

https://vuldb.com/?id.330913
vdb-entrytechnical-description
https://vuldb.com/?ctiid.330913
signaturepermissions-required
https://vuldb.com/?submit.678888
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

1935648903 (VulDB User)
JSON
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CVE-2025-12619 : Buffer Overflow Vulnerability in Tenda A15 from Network Gateway Function