RCE in Dlink Dir-802

CVE-2021-29379

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

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.035 (88.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-29379?
CVE-2021-29379 is a high-severity vulnerability in Dlink Dir-802, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-04-12.
How severe is CVE-2021-29379?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-29379 known to be exploited?
10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.