CVE-2020-26561 — HIGH (8.8)

Vulnerability Description

Belkin LINKSYS WRT160NL 1.0.04.002_US_20130619 devices have a stack-based buffer overflow vulnerability because of sprintf in create_dir in mini_httpd. Successful exploitation leads to arbitrary code execution. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Belkin	Linksys Wrt 160Nl Firmware	1.0.04
Belkin	Linksys Wrt 160Nl	-

Related Weaknesses (CWE)

CWE-787

References

https://research.nccgroup.com/2020/10/20/wrt160nl-cve-2020-26561-bof/ExploitThird Party Advisory
https://research.nccgroup.com/2020/10/20/wrt160nl-cve-2020-26561-bof/ExploitThird Party Advisory

FAQ

What is CVE-2020-26561?

CVE-2020-26561 is a vulnerability with a CVSS score of 8.8 (HIGH). Belkin LINKSYS WRT160NL 1.0.04.002_US_20130619 devices have a stack-based buffer overflow vulnerability because of sprintf in create_dir in mini_httpd. Successful exploitation leads to arbitrary code ...

How severe is CVE-2020-26561?

CVE-2020-26561 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-26561?

Check the references section above for vendor advisories and patch information. Affected products include: Belkin Linksys Wrt 160Nl Firmware, Belkin Linksys Wrt 160Nl.