Buffer Overflow Vulnerability in Tenda CH22 Router
CVE-2026-15543
8.7HIGH
Key Information:
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2026-15543?
A vulnerability exists within the Tenda CH22 router, specifically in the formCertListInfo function located at /goform/CertListInfo. This issue arises due to improper handling of the argument Name, leading to a buffer overflow condition. An attacker can exploit this vulnerability remotely, potentially compromising the device's functionality. The details of the exploit are publicly available, which raises concerns for users of the affected product.
Affected Version(s)
CH22 1.0.0.1
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
ysnysn0121 (VulDB User)