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CVE-2021-20697
Missing authentication for critical function in DAP-1880AC firmware version 1.21 and earlier allows a remote attacker to login to the…
Critical9.8EPSS 1.7%
- Published
- Updated
- Reserved
- Assigned by
- jpcert
Description
Missing authentication for critical function in DAP-1880AC firmware version 1.21 and earlier allows a remote attacker to login to the device as an authenticated user without the access privilege via unspecified vectors.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.7% · top 23% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
- Missing authentication for critical function
- CWE-306 (opens in a new tab)All about CWE-306 and its CVEs
Affected products
D-Link Japan K.K. · DAP-1880AC
- affected firmware version 1.21 and earlier
References (2)
- https://www.dlink-jp.com/support/release/jvnvu92898656_dap-1880ac.html (opens in a new tab)x_refsource_MISCx_transferred
- https://jvn.jp/en/vu/JVNVU92898656/index.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-20697)Record last updated .