Buffer Overflow Vulnerability in D-Link DI-7100G C1 Product
CVE-2025-11338
Key Information:
- Vendor
D-link
- Status
- Vendor
- CVE Published:
- 6 October 2025
Badges
What is CVE-2025-11338?
A vulnerability has been identified in the D-Link DI-7100G C1 router that allows for remote exploitation through a buffer overflow in the jhttpd component. The flaw exists within the function sub_4C0990 of the /webchat/login.cgi file, where improper handling of the 'openid' parameter can be exploited by an attacker. This critical oversight could allow malicious actors to execute arbitrary code or disrupt service, making it imperative for users to address this issue promptly. Users are encouraged to look for patches or updated versions to mitigate the risk associated with this vulnerability.
Affected Version(s)
DI-7100G C1 20250928
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