Buffer overflow in Dlink Dir-842

CVE-2020-8962

A stack-based buffer overflow was found on the D-Link DIR-842 REVC with firmware v3.13B09 HOTFIX due to the use of strcpy for LOGINPASSWORD when handling a POST request to the /MTFWU endpoint.

Vulnerability class: Buffer Overflow

EPSS: 0.018 (76.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-8962?
CVE-2020-8962 is a critical-severity vulnerability in Dlink Dir-842, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-02-13.
How severe is CVE-2020-8962?
Critical severity. CVSS v3 base score is 9.8 out of 10.