CVE-2021-47821 - CVE House
Back to Database
Status published Medium CVE-2021-47821

RarmaRadio 2.72.8 - Denial of Service

Vulnerability Description

RarmaRadio 2.72.8 contains a denial of service vulnerability that allows attackers to crash the application by overflowing network configuration fields with large character buffers. Attackers can generate a 100,000 character buffer and paste it into multiple network settings fields to trigger application instability and potential crash.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-47821

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Ismael Nava

References

More from Raimersoft

View All →
CVE-2020-37171
TapinRadio 2.12.3 - 'username' Denial of Service
Medium 6.7
CVE-2020-37170
TapinRadio 2.12.3 - 'address' Denial of Service
Medium 6.7
CVE-2020-36949
TapinRadio 2.13.7 - Denial of Service
Medium 6.7
CVE-2019-25584
RarmaRadio 2.72.3 Server Field Buffer Overflow Denial of Service
Medium 6.9
CVE-2019-25583
RarmaRadio 2.72.3 Username Field Denial of Service
Medium 6.9

Affected Vendor

Affected Software

RarmaRadio
Vulnerable Versions:
2.75.8

Timeline

Official Publish: January 16th, 2026
Last Modified: January 16th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

CWE-1284

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.