CVE-2021-27114
CRITICAL
9.8
CVSS Score
Published: April 14, 2021 at 01:54 PM UTC
Updated: June 17, 2026 at 03:44 AM UTC
2 products affected across 1 vendorDir 816 FirmwareDir-816
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Severity
CRITICAL9.8
Exploit prediction
EPSS 25%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/GD008/vuln/blob/main/DIR-816_stackoverflow.mdCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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