CVE-2018-20305 — CRITICAL (9.8)

Vulnerability Description

D-Link DIR-816 A2 1.10 B05 devices allow arbitrary remote code execution without authentication via the newpass parameter. In the /goform/form2userconfig.cgi handler function, a long password may lead to a stack-based buffer overflow and overwrite a return address.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
D-Link	Dir-816 A2 Firmware	1.10b05
Dlink	Dir-816 A2	-

Related Weaknesses (CWE)

CWE-787

References

https://github.com/RootSoull/Vuln-Poc/tree/master/D-Link/DIR-816ExploitThird Party Advisory
https://github.com/RootSoull/Vuln-Poc/tree/master/D-Link/DIR-816ExploitThird Party Advisory

FAQ

What is CVE-2018-20305?

CVE-2018-20305 is a vulnerability with a CVSS score of 9.8 (CRITICAL). D-Link DIR-816 A2 1.10 B05 devices allow arbitrary remote code execution without authentication via the newpass parameter. In the /goform/form2userconfig.cgi handler function, a long password may lead...

How severe is CVE-2018-20305?

CVE-2018-20305 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-20305?

Check the references section above for vendor advisories and patch information. Affected products include: D-Link Dir-816 A2 Firmware, Dlink Dir-816 A2.