CVE-2018-18489 describes a denial-of-service vulnerability affecting TP-LINK WR840N v2 routers with Firmware 3.16.9 Build 150701 Rel.51516n. An authenticated attacker can exploit the diagnostic ping feature by submitting a packet size exceeding the UI limit of 1472, leading to the termination of the device's HTTP service. Rated as Medium severity (CVSS 4.9), this vulnerability requires high privileges (PR:H) but has low attack complexity (AC:L) and can result in high availability impact (A:H). The attack vector is network-based (AV:N). There is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. Community discussion and media coverage for this CVE are minimal, indicating a low level of public attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.16.9CPE matchmatch criteria | cpe:2.3:o:tp-link:wr840n_firmware:3.16.9:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.