CVE-2021-30072 is a critical unauthenticated stack-based buffer overflow vulnerability affecting D-Link DIR-878 1.30B08 devices, stemming from the misuse of the strcat function in prog.cgi. With a CVSS score of 9.8, this vulnerability allows an unauthenticated attacker to achieve complete compromise of confidentiality, integrity, and availability over the network with low attack complexity. While there is no evidence of active exploitation (KEV listed as No) and no public exploit code (Metasploit, Nuclei, ExploitDB are empty), the vulnerability has garnered significant community discussion, indicating potential interest from researchers or threat actors.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.30b08CPE matchmatch criteria | cpe:2.3:o:dlink:dir-878_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.