CVE-2020-35716

Name: CVE-2020-35716
Creator: NVD / NIST
Published: 2020-12-26T01:15:12.48+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.94%

Last modified Jun 17, 2026

CVE-2020-35716 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Belkin LINKSYS RE6500 devices before 1.0.012.001 allow remote attackers to cause a persistent denial of service (segmentation fault) via a long /goform/langSwitch langSelectionOnly parameter.. EPSS estimates a 3.94% chance of exploitation in the next 30 days.

Description

Belkin LINKSYS RE6500 devices before 1.0.012.001 allow remote attackers to cause a persistent denial of service (segmentation fault) via a long /goform/langSwitch langSelectionOnly parameter.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

3.94%

89.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Linksys	Re6500 Firmware	< 1.0.012.001

References

https://bugcrowd.com/disclosures/72d7246b-f77f-4f7f-9bd1-fdc35663cc92/linksys-re6500-unauthenticated-rce-working-across-multiple-fw-versionsThird Party Advisory
https://downloads.linksys.com/support/assets/releasenotes/ExternalReleaseNotes_RE6500_1.0.012.001.txtRelease Notes, Vendor Advisory
https://resolverblog.blogspot.com/2020/07/linksys-re6500-unauthenticated-rce-full.htmlExploit, Third Party Advisory
https://bugcrowd.com/disclosures/72d7246b-f77f-4f7f-9bd1-fdc35663cc92/linksys-re6500-unauthenticated-rce-working-across-multiple-fw-versionsThird Party Advisory
https://downloads.linksys.com/support/assets/releasenotes/ExternalReleaseNotes_RE6500_1.0.012.001.txtRelease Notes, Vendor Advisory
https://resolverblog.blogspot.com/2020/07/linksys-re6500-unauthenticated-rce-full.htmlExploit, Third Party Advisory

Timeline

Published: Dec 26, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-35716?

Belkin LINKSYS RE6500 devices before 1.0.012.001 allow remote attackers to cause a persistent denial of service (segmentation fault) via a long /goform/langSwitch langSelectionOnly parameter.

How severe is CVE-2020-35716?

CVE-2020-35716 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.94% probability of exploitation in the next 30 days.

How do I fix CVE-2020-35716?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-35716?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST