CVE-2021-29379 json
An issue was discovered on D-Link DIR-802 A1 devices through 1.00b05.
published 2021-04-12 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-16014
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.5%
- EPSS 3.5% chance of exploitation in 30 days, percentile 89%
- public exploits
- 0
- none known
Summary
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
Exploit prediction
3.50% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- cool-y.github.io https://cool-y.github.io/2021/03/02/DIR-802-OS-Command-Injection referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 5.8 | AV:A/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
cool-y.github.io
/2021/03/02/DIR-802-OS-Command-Injection
exploit, third-party-advisory
-
dlink.com
/en/security-bulletin/
vendor-advisory
-
supportannouncement.us.dlink.com
/announcement/publication.aspx?name=SAP10206
vendor-advisory
Sources
- CVE List CVE-2021-29379
- NVD CVE-2021-29379
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