Home→Vulnerabilities→CVE-2021-27114
Critical Risk Disclosed

CVE-2021-27114

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.

Share this vulnerability:

Exploitation Probability (EPSS)

Low Priority
1.86%

The Exploit Prediction Scoring System (EPSS) uses machine learning to estimate the probability that a vulnerability will be exploited in the wild within the next 30 days.

0% (Theoretical)100% (Certainty)

7-Day Exploitation Trend

Vulnerability Timeline

2 events
Apr 14, 2021
Vulnerability Disclosed
Published to component-level vulnerability database.
Apr 20, 2021
Last Updated
Record updated with new analysis or tags.

Threat Actor Attribution

PREMIUM INTEL
Associated Groups:Lazarus Group, APT28
Ransomware Campaigns:LockBit 3.0, BlackCat
IoCs (Indicators):14 IPs, 3 Hashes

Remediation & Mitigation

SOLUTION

Official patches and mitigation steps are available for this vulnerability.

# Update Command
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name

Affected Products

2 Total
dlink/dir-816_firmware1.10b05
dlink/dir-816a2

References

https://github.com/GD008/vuln/blob/main/DIR-816_stackoverflow.mdGitHub
ExploitThird Party Advisory
https://www.dlink.com/en/security-bulletin/Dlink
Vendor Advisory

Am I Vulnerable?

Check your domain or package.json for CVE-2021-27114 exposure.

Share This Page

Help others discover this vulnerability information

Vulnerability Details

CVSS Base Score
9.8/ 10
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published Date
Apr 14, 2021
Last Modified
Apr 20, 2021
Need API Access?

Integrate this data into your SOAR platform.

View Plans →
Need Manual Validation?

Automated scanners flag false positives. Get a manual pentest validation for this CVE.