CVE-2021-29379 is a critical command injection vulnerability affecting D-Link DIR-802 A1 devices running firmware up to 1.00b05, stemming from Universal Plug and Play (UPnP) being enabled by default. An attacker on the local network can exploit this by injecting a malicious payload into the Search Target (ST) field of an SSDP M-SEARCH discover packet. This vulnerability carries a CVSS score of 8.8 (High), indicating a severe risk of complete compromise of confidentiality, integrity, and availability with low attack complexity and no user interaction required. While the vulnerability is significant, there is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or notable community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.00b05CPE matchmatch criteria | cpe:2.3:o:dlink:dir-802_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/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, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.