Buffer Overflow Vulnerability in Tenda AC9 and AC15 Routers
CVE-2025-10443

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ac9
Ac15
Vendor
CVE Published:
15 September 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-10443?

A buffer overflow vulnerability has been found in the Tenda AC9 and AC15 routers, specifically within the formexeCommand function of the /goform/exeCommand file. An attacker can manipulate the cmdinput parameter, allowing for remote exploitation. This led to concerns about unauthorized access and potential control over the affected devices, as the exploit is publicly accessible. Users are advised to review their security configurations and apply necessary updates to safeguard their networks.

Affected Version(s)

AC15 15.03.05.14

AC15 15.03.05.18

AC9 15.03.05.14

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-2025-10443 - Proof of Concept

References

https://vuldb.com/?id.323877
vdb-entrytechnical-description
https://vuldb.com/?ctiid.323877
signaturepermissions-required
https://vuldb.com/?submit.647840
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

shiny (VulDB User)
JSON
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CVE-2025-10443 : Buffer Overflow Vulnerability in Tenda AC9 and AC15 Routers