Remote Stack-Based Buffer Overflow in Tenda AC7 Router
CVE-2025-4810

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ac7
Vendor
CVE Published:
16 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-4810?

A security flaw exists in the Tenda AC7 router, specifically within the formSetRebootTimer function located in the /goform/SetRebootTimer file. This weakness is due to improper handling of the reboot_time parameter, leading to a stack-based buffer overflow. Malicious actors can exploit this vulnerability remotely, potentially compromising the device. The issue has become public knowledge and may pose a significant risk to users of the affected version.

Affected Version(s)

AC7 15.03.06.44

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-2025-4810 - Proof of Concept

References

https://vuldb.com/?id.309265
vdb-entrytechnical-description
https://vuldb.com/?ctiid.309265
signaturepermissions-required
https://vuldb.com/?submit.573643
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

yhryhryhr_tu (VulDB User)
.
CVE-2025-4810 : Remote Stack-Based Buffer Overflow in Tenda AC7 Router