CVE detail

CVE-2021-27114 — CVE-2021-27114

Published 2021-04-14 · Modified 2026-06-17 · Vendor dlink · Product dir-816_firmware · Source nvd

CRITICAL

severity

CVSS-derived band

9.8

CVSS v3

0–10 scale

0.2455

EPSS probability

exploitation probability, 30d

98.0%

EPSS percentile

percentile vs all CVEs

NOT LISTED

CISA KEV

known exploited catalog

Description

An issue was discovered in D-Link DIR-816 A2 1.10 B05 devices. Within the handler function of the /goform/addassignment route, a very long text entry for the"'s_ip" and "s_mac" fields could lead to a Stack-Based Buffer Overflow and overwrite the return address.

Remediation

No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.