CVE-2021-31326 json
D-Link DIR-816 A2 1.10 B05 allows unauthenticated attackers to arbitrarily reset the device via a crafted tokenid parameter to /goform/form…
published 4y ago modified 4mo ago also EUVD-2021-18236
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.2%
- EPSS 2.2% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
Summary
D-Link DIR-816 A2 1.10 B05 allows unauthenticated attackers to arbitrarily reset the device via a crafted tokenid parameter to /goform/form2Reboot.cgi.
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Check with FencerExploit prediction
2.20% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/GD008/vuln/blob/main/DIR-816_reset.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.0 | AV:N/AC:L/Au:N/C:P/I:P/A:C |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
github.com
/GD008/vuln/blob/main/DIR-816_reset.md
exploit, third-party-advisory
-
dlink.com
/en/security-bulletin/
vendor-advisory
-
supportannouncement.us.dlink.com
/announcement/publication.aspx?name=SAP10240
vendor-advisory
Sources
- CVE List CVE-2021-31326
- NVD CVE-2021-31326
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