CVE-2020-9276 is a remotely exploitable stack-based buffer overflow vulnerability affecting D-Link DSL-2640B B2 EU_4.01B devices. It resides in the do_cgi() function, which handles web server requests. This vulnerability carries a high CVSS score of 8.8, indicating a critical risk due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. While unauthenticated exploitation is possible when combined with CVE-2020-9277, there is currently no public exploit code available, nor is it known to be actively exploited in the wild. Community discussion is minimal, with only one mention found.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
eu_4.01bCPE matchmatch criteria | cpe:2.3:o:dlink:dsl-2640b_firmware:eu_4.01b:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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.