In TP-Link Wireless N Router WR840N an ARP poisoning attack can cause buffer overflow
This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.4, indicating it requires adjacent network access but requires specific conditions to be met without requiring user interaction requiring only low-level privileges . The vulnerability impacts integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 2 products from tp-link, from tp-link organizations running these solutions should prioritize assessment and patching.
Reported in 2021, 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.
2021-08-19T16:15:12.197
2024-11-21T06:00:55.670
Modified
CVSSv3.1: 6.4 (MEDIUM)
AV:A/AC:M/Au:N/C:N/I:P/A:P
5.5
4.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | tp-link | tl-wr840n_firmware | - | Yes |
| Hardware | tp-link | tl-wr840n | - | No |
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 tp-link'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.