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CVE-2021-25327

20
FAUCET Score

CVE-2021-25327 is a Cross-Site Request Forgery (CSRF) vulnerability affecting Skyworth Digital Technology RN510 V.3.1.0.4 firmware, specifically in the /cgi-bin/net-routeadd.asp and /cgi-bin/sec-urlfilter.asp pages, which also exhibit Cross-Site Scripting (XSS) vulnerabilities. This medium-severity vulnerability (CVSS 6.5) allows an unauthenticated attacker to perform high-impact integrity changes with low attack complexity, requiring user interaction. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.1.0.4CPE matchmatch criteria
cpe:2.3:o:skyworthdigital:rn510_firmware:3.1.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.90%
Probability of exploitation in next 30 days
EPSS Percentile
55.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0090 is in the 67th percentile among its peer group of 26,220 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/162454/Shenzhen-Skyworth-RN510-Cross-Site-Request-Forgery-Cross-Site-Scripting.html
ExploitThird Party AdvisoryVDB Entry
seclists.org / fulldisclosure/2021/May/6
ExploitMailing ListThird Party Advisory
s3curityb3ast.github.io / KSA-Dev-012.md
Third Party Advisory