Buffer Overflow Vulnerability in Tenda AC23 Router
CVE-2025-11356
8.7HIGH
Key Information:
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2025-11356?
A remote buffer overflow vulnerability affects Tenda AC23 routers, specifically in the sscanf
function located in /goform/SetStaticRouteCfg
. The flaw allows attackers to manipulate the argument list, potentially leading to unauthorized access or control of the device. This vulnerability is publicly known and poses significant risks if not addressed. Users are advised to update their firmware to mitigate this threat.
Affected Version(s)
AC23 16.03.07.0
AC23 16.03.07.1
AC23 16.03.07.2
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
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
cymiao (VulDB User)