CVE-2020-15632 json
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-842 3.13B05 routers.
published 2020-07-23 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-7619
- cvss
- 8.8
- version 3.0, CNA
- 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
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-842 3.13B05 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of HNAP GetCAPTCHAsetting requests. The issue results from the lack of proper handling of sessions. An attacker can leverage this vulnerability to execute arbitrary code in the context of the device. Was ZDI-CAN-10083.
Patch / fix
Exploit prediction
3.47% chance of exploitation in the next 30 days, higher than 89% 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 DIR-842
Classification
- Weakness
-
- CWE-303 Incorrect Implementation of Authentication Algorithm
References
-
supportannouncement.us.dlink.com
/announcement/publication.aspx?name=SAP10184
patch, vendor-advisory
-
zerodayinitiative.com
/advisories/ZDI-20-880/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2020-15632
- NVD CVE-2020-15632
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