Buffer overflow in D-link Di-8100

CVE-2026-7853

A weakness has been identified in D-Link DI-8100 16.07.26A1. Affected is the function sprintf of the file /auto_reboot.asp of the component HTTP Handler. This manipulation of the argument enable/time causes buffer overflow. It is possible…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (32.0th 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-2026-7853?
CVE-2026-7853 is a critical-severity vulnerability in D-link Di-8100, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2026-05-05.
How severe is CVE-2026-7853?
Critical severity. CVSS v3 base score is 9.8 out of 10.