Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2015-9551


An issue was discovered on TOTOLINK A850R-V1 through 1.0.1-B20150707.1612 and F1-V2 through 1.1-B20150708.1646 devices. There is Remote Code Execution in the management interface via the formSysCmd sysCmd parameter.


Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 16 products from totolink, from totolink, from totolink and 13 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2020-11-24T21:15:11.417

Last Modified

2024-11-21T02:40:54.613

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

10.0

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System totolink a850r-v1_firmware < 1.0.1-b20150707.1612 Yes
Hardware totolink a850r-v1 - No
Operating System totolink f1-v2_firmware < 2.1.1-b20150708.1646 Yes
Hardware totolink f1-v2 - No
Operating System totolink f2-v1_firmware < 2.1.0-b20150320.1611 Yes
Hardware totolink f2-v1 - No
Operating System totolink n150rt-v2_firmware < 2.1.1-b20150708.1548 Yes
Hardware totolink n150rt-v2 - No
Operating System totolink n151rt-v2_firmware < 1.1-b20150708.1559 Yes
Hardware totolink n151rt-v2 - No
Operating System totolink n300rh-v2_firmware < 2.0.1-b20150708.1625 Yes
Hardware totolink n300rh-v2 - No
Operating System totolink n300rh-v3_firmware < 3.0.0-b20150331.0858 Yes
Hardware totolink n300rh-v3 - No
Operating System totolink n300rt-v2_firmware < 2.1.1-b20150708.1613 Yes
Hardware totolink n300rt-v2 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For totolink's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.