Stack-Based Buffer Overflow in Tenda AC9 Router
CVE-2025-5847
Key Information:
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What is CVE-2025-5847?
A vulnerability exists in the Tenda AC9 router, specifically within the function formSetSafeWanWebMan located in the file /goform/SetRemoteWebCfg. The issue arises due to improper handling of the argument remoteIp, leading to potential stack-based buffer overflow conditions. This flaw can be exploited remotely, allowing an attacker to manipulate device behavior. Public disclosure has raised concerns about the impact on security, making immediate attention to this vulnerability critical for safeguarding devices.
Affected Version(s)
AC9 15.03.02.13
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.
References
CVSS V4
Timeline
- 🟡
Public PoC available
- 👾
Exploit known to exist
Vulnerability published
Vulnerability Reserved