CVE-2020-15633 json
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR…
published 2020-07-23 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-7620
- cvss
- 8.8
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.9%
- EPSS 2.9% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.20B10_BETA. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP requests. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the router. Was ZDI-CAN-10835.
Exploit prediction
2.89% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 8.8 | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 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 |
Affected products
- D-Link Multiple Routers
Classification
- Weakness
-
- CWE-288 Authentication Bypass Using an Alternate Path or Channel
References
-
supportannouncement.us.dlink.com
/announcement/publication.aspx?name=SAP10186
vendor-advisory
-
zerodayinitiative.com
/advisories/ZDI-20-881/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2020-15633
- NVD CVE-2020-15633
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