Denial of Service Vulnerability in RarmaRadio by Raimersoft
CVE-2021-47821

4.6MEDIUM

Key Information:

Vendor

Raimersoft

Status
Rarmaradio
Vendor
CVE Published:
16 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47821?

RarmaRadio 2.72.8 is susceptible to a denial of service condition, whereby attackers can exploit the application by overflowing network configuration fields. By inputting excessively large character buffers—up to 100,000 characters—into various network settings, attackers can trigger instability and force the application to crash. This attack vector poses a significant risk to users relying on RarmaRadio for streaming and audio management.

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Affected Version(s)

RarmaRadio 2.75.8

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-47821 - Proof of Concept

References

https://www.exploit-db.com/exploits/49906
exploit
http://www.raimersoft.com/
product
https://www.vulncheck.com/advisories/rarmaradio-denial-of...
third-party-advisory

CVSS V4

Score:
4.6
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • đź‘ľ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ismael Nava
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