High severity8.8NVD Advisory· Published Apr 12, 2021· Updated Jun 17, 2026

CVE-2021-29379

Description

An issue was discovered on D-Link DIR-802 A1 devices through 1.00b05. Universal Plug and Play (UPnP) is enabled by default on port 1900. An attacker can perform command injection by injecting a payload into the Search Target (ST) field of the SSDP M-SEARCH discover packet. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Dlink/Dir 802 Firmware
cpe:2.3:o:dlink:dir-802_firmware:*:*:*:*:*:*:*:*
Range: <=1.00b05
D-Link/DIR-802description
Dlink/DIR-802llm-create
Range: <=1.00b05

Patches

Vulnerability mechanics

References

cool-y.github.io/2021/03/02/DIR-802-OS-Command-InjectionnvdExploitThird Party Advisory
supportannouncement.us.dlink.com/announcement/publication.aspxnvdVendor Advisory
www.dlink.com/en/security-bulletin/nvdVendor Advisory

News mentions

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epss	0.003
exploit	0.000
kev	0.000
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ransomware	0.000