Stack-Based Buffer Overflow Vulnerability in Tenda W12 by Tenda
CVE-2026-10189
8.7HIGH
Key Information:
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2026-10189?
A vulnerability exists in the Tenda W12 firmware 3.0.0.7(4763), specifically in the cgiSysTimeInfoSet function within the /bin/httpd file. By manipulating the 'sec' argument, an attacker can trigger a stack-based buffer overflow, allowing for potential remote exploitation. This vulnerability poses a significant security risk, as exploits have been publicly disclosed and may be utilized by malicious actors.
Affected Version(s)
W12 3.0.0.7(4763)
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
CookedMelon (VulDB User)