: A heap-based buffer overflow exists in the SCEP (Simple Certificate Enrollment Protocol) Server .
: This vulnerability was discovered "in the wild" on a command-and-control (C2) server used by a threat actor group known as HUAPI (also called BlackTech or Palmerworm). While the success rate of the exploit code is relatively low (~5–6%), it can still lead to a full system compromise. Other Notable Risks
The version of MikroTik’s RouterOS holds a unique place in the networking world. Released as a "Long-term" stable update, it is still found on thousands of devices globally. However, because it is an older firmware, it is frequently the target of security researchers and malicious actors looking for vulnerabilities. mikrotik 6.47.10 exploit
The vulnerability is classified as a remote code execution (RCE) vulnerability, which enables an attacker to execute arbitrary code on the router without authentication. This means that an attacker can exploit the vulnerability to gain full control over the router, allowing them to modify settings, intercept traffic, and even use the router as a launching point for further attacks.
: This requires no pre-authentication, allowing direct wide area network (WAN) exploitation if the service is publicly exposed. : A heap-based buffer overflow exists in the
Run the following syntax to verify if the vulnerable SCEP daemon is active: /certificate scep-server print Use code with caution.
Advanced adversaries commonly chain multiple vulnerabilities to achieve persistent access. For RouterOS 6.47.10, a plausible attack chain proceeds as follows: Other Notable Risks The version of MikroTik’s RouterOS
The fundamental cause is a length miscalculation during the base64 decoding process within the SCEP service. When an attacker sends a specially crafted SCEP request containing malicious base64-encoded data, the service miscalculates the required memory buffer size for the decoded output. This miscalculation triggers a heap overflow, where data spills beyond the allocated buffer boundary. Attackers can corrupt adjacent memory structures in a controlled manner, leading to arbitrary code execution on the underlying Linux system running the router OS.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
Attackers with admin access (often gained through brute-forcing weak passwords) can escalate privileges to "super-admin" or cause Denial of Service (DoS) through memory corruption in processes like tr069-client CVE: Common Vulnerabilities and Exposures Recommended Security Actions If you are running version 6.47.10, the MikroTik Security Guide and community experts suggest these immediate steps: CVE-2021-41987 - General - MikroTik community forum