CVE-2021-25327

Name: CVE-2021-25327
Creator: NVD / NIST
Published: 2021-04-09T13:15:13.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.90%

Last modified Jun 17, 2026

CVE-2021-25327 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Skyworth Digital Technology RN510 V.3.1.0.4 contains a cross-site request forgery (CSRF) vulnerability in /cgi-bin/net-routeadd.asp and /cgi-bin/sec-urlfilter.asp. Missing CSRF protection in devices can lead to XSRF, as the above pages are vulnerable to cross-site scripting (XSS).. EPSS estimates a 0.90% chance of exploitation in the next 30 days.

Description

Skyworth Digital Technology RN510 V.3.1.0.4 contains a cross-site request forgery (CSRF) vulnerability in /cgi-bin/net-routeadd.asp and /cgi-bin/sec-urlfilter.asp. Missing CSRF protection in devices can lead to XSRF, as the above pages are vulnerable to cross-site scripting (XSS).

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.90%

55.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Skyworthdigital	Rn510 Firmware	3.1.0.4

References

http://packetstormsecurity.com/files/162454/Shenzhen-Skyworth-RN510-Cross-Site-Request-Forgery-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2021/May/6Exploit, Mailing List, Third Party Advisory
https://s3curityb3ast.github.io/KSA-Dev-012.mdThird Party Advisory
http://packetstormsecurity.com/files/162454/Shenzhen-Skyworth-RN510-Cross-Site-Request-Forgery-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2021/May/6Exploit, Mailing List, Third Party Advisory
https://s3curityb3ast.github.io/KSA-Dev-012.mdThird Party Advisory

Timeline

Published: Apr 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-25327?

How severe is CVE-2021-25327?

CVE-2021-25327 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.90% probability of exploitation in the next 30 days.

How do I fix CVE-2021-25327?

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-2021-25327?

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

Scan your code now

Source: NVD / NIST