Vulnerability in Raimersoft Rarmaradio
CVE-2021-47821
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (33.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Raimersoft Rarmaradio — versions 2.75.8
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/49906 (exploit)
- www.raimersoft.com/ (product)
- www.vulncheck.com/advisories/rarmaradio-denial-of-service (third-party-advisory)
Frequently asked questions
- What is CVE-2021-47821?
- CVE-2021-47821 is a high-severity vulnerability in Raimersoft Rarmaradio, classified under Improper Validation of Specified Quantity in Input. CVSS score: 7.5/10. Published 2026-01-16.
- How severe is CVE-2021-47821?
- High severity. CVSS v3 base score is 7.5 out of 10.