CVE-2021-27114

Public Exploit

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.36% Top 25%
Vendor Advisory dlink.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.dlink.com/en/security-bulletin/ vendor advisory
https://github.com/GD008/vuln/blob/main/DIR-816_stackoverflow.md third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-27114?
CVE-2021-27114 has been scored as a critical severity vulnerability.
How to fix CVE-2021-27114?
To fix CVE-2021-27114, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27114 being actively exploited in the wild?
It is possible that CVE-2021-27114 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.