Stack-based Buffer Overflow in Tenda AX1803 Router
CVE-2025-7598

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ax1803
Vendor
CVE Published:
14 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7598?

A stack-based buffer overflow vulnerability exists in the Tenda AX1803 router, specifically within the formSetWifiMacFilterCfg function of the setWifiFilterCfg file. Through improper handling of the deviceList parameter, an attacker can remotely exploit this flaw, potentially leading to unauthorized access or manipulation of router configurations. The vulnerability has been publicly disclosed, heightening the urgency for users to apply the necessary security patches.

Affected Version(s)

AX1803 1.0.0.1

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-2025-7598 - Proof of Concept

References

https://vuldb.com/?id.316297
vdb-entrytechnical-description
https://vuldb.com/?ctiid.316297
signaturepermissions-required
https://vuldb.com/?submit.615269
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

panda_0x1 (VulDB User)
.
CVE-2025-7598 : Stack-based Buffer Overflow in Tenda AX1803 Router