CVE-2019-6258 is a critical buffer overflow vulnerability affecting D-Link DIR-822 Rev.Bx routers running firmware v.202KRb06 and older. An unauthenticated attacker can exploit this by sending a crafted HNAP protocol message with a long MacAddress, leading to arbitrary code execution due to mishandling in the udhcpd process. With a CVSS score of 9.8, this vulnerability poses a severe risk of complete compromise (confidentiality, integrity, and availability). While there is no evidence of active exploitation or readily available public exploit code, the vulnerability has garnered significant community discussion, indicating potential future interest.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.02krb06CPE matchmatch criteria | cpe:2.3:o:d-link:dir-822_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.