CVE-2020-8962

9.8 criticalEPSS 1.8%

Critical (9.8) in dlink dir-842 firmware. EPSS 1.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2020-02-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

dlink:dir-842_firmware

References

https://ctrsec.io/index.php/2020/02/12/cve-2020-8962-d-link-dir-842-stack-based-buffer-overflow/
https://ctrsec.io/index.php/2020/02/12/cve-2020-8962-d-link-dir-842-stack-based-buffer-overflow/

Check your stack JSON