Buffer Overflow Vulnerability in Tenda A15 Router
CVE-2025-4897

8.7HIGH

Key Information:

Vendor

Tenda
Status
A15
Vendor
CVE Published:
18 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-4897?

A vulnerability has been identified in the Tenda A15 router, specifically within the HTTP POST request handler at the /goform/multimodalAdd endpoint. This vulnerability can be exploited remotely, allowing an attacker to manipulate memory through a buffer overflow. As a result, unauthorized access and control over the router may be achieved. The potential for exploitation has been made public, emphasizing the importance for users to take action and secure their devices to mitigate risks.

Affected Version(s)

A15 15.13.07.09

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-2025-4897 - Proof of Concept

References

https://vuldb.com/?id.309453
vdb-entry
https://vuldb.com/?ctiid.309453
signaturepermissions-required
https://vuldb.com/?submit.578035
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

wanglun (VulDB User)
.
CVE-2025-4897 : Buffer Overflow Vulnerability in Tenda A15 Router