Stack Buffer Overflow Vulnerabilities in Realtek Jungle SDK Web Server
CVE-2021-35395

9.8CRITICAL

Key Information:

Vendor: Realtek
Status: Realtek Jungle Sdk
Vendor: CVE Published:; 16 August 2021

Badges

👾 Exploit Exists🟣 EPSS 93%🦅 CISA Reported

What is CVE-2021-35395?

The Realtek Jungle SDK, used in various network devices, features an HTTP web server that includes a management interface susceptible to multiple stack buffer overflow vulnerabilities. These vulnerabilities are triggered by unsafe parameter handling, including the submit-url and peerPin parameters, which can lead to arbitrary command execution. The exploitability of these vulnerabilities varies based on how manufacturers have implemented the SDK. This situation raises concerns, as many devices remain vulnerable due to insecure coding practices. Successful exploitation allows remote attackers to execute arbitrary code, posing a significant risk to device integrity and security.

CISA has reported CVE-2021-35395

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2021-35395 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.