What is CVE-2020-15632?

CVE-2020-15632 is a high-severity vulnerability in D-Link Dir-842, classified under Incorrect Implementation of Authentication Algorithm. CVSS score: 8.8/10. Published 2020-07-23.

How severe is CVE-2020-15632?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in D-Link Dir-842

CVE-2020-15632

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.

EPSS: 0.033 (87.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

D-link Dir-842 — versions 3.13B05
Dlink Dir-842 — versions c
Dlink Dir-842_firmware

Weakness classification (CWE)

CWE-303 — Incorrect Implementation of Authentication Algorithm

References

zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
zdi-disclosures@trendmicro.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-15632?: CVE-2020-15632 is a high-severity vulnerability in D-Link Dir-842, classified under Incorrect Implementation of Authentication Algorithm. CVSS score: 8.8/10. Published 2020-07-23.
How severe is CVE-2020-15632?: High severity. CVSS v3 base score is 8.8 out of 10.