CVE-2020-15632

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-07-23 · updated 2026-06-17
Weakness: CWE-303

Description

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.

Affected products

D-Link DIR-842: through 3.13b09

References

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10184
https://www.zerodayinitiative.com/advisories/ZDI-20-880/
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10184
https://www.zerodayinitiative.com/advisories/ZDI-20-880/

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