How severe is CVE-2021-25327?

CVE-2021-25327 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-25327 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25327?

CVE-2021-25327 affects Skyworthdigital Rn510 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-25327?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-25327 published?

CVE-2021-25327 was published on 2021-04-09 and last updated on 2026-06-17.

CVE-2021-25327

CVE-2021-25327 is a medium-severity vulnerability in Skyworthdigital Rn510 Firmware with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Skyworthdigital Rn510 Firmware
Published: 2021-04-09
Last modified: 2026-06-17

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).

Frequently asked questions

What is CVE-2021-25327?: 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).
How severe is CVE-2021-25327?: CVE-2021-25327 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-25327 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25327?: CVE-2021-25327 affects Skyworthdigital Rn510 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25327?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-25327 published?: CVE-2021-25327 was published on 2021-04-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:skyworthdigital:rn510_firmware:3.1.0.4:*:*:*:*:*:*:*

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