Vulnerability · Published Nov 14, 2025 · Assigned by VulnCheck

CVE-2021-4465ReQuest Serious Play F3 Media Server <= 7.0.3 Remote DoS

High 8.7

In plain English

A high-severity uncontrolled resource consumption in ReQuest Serious Play from ReQuest Serious Play LLC. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).

Severity (CVSS 4.0)8.7High

Exploit odds (30 days)0.5%top 57.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

ReQuest Serious Play F3 Media Server versions 7.0.3.4968 (Pro), 7.0.2.4954, 6.5.2.4954, 6.4.2.4681, 6.3.2.4203, and 2.0.1.823 contain a remote denial-of-service vulnerability. The device can be shut down or rebooted by an unauthenticated attacker through a single crafted HTTP GET request, allowing remote interruption of service availability.

Affected products (as reported)

Vendor	Product	Versions
ReQuest Serious Play LLC	ReQuest Serious Play Pro	7.0.3.4968
ReQuest Serious Play LLC	ReQuest Serious Play	7.0.2.49546.5.2.49546.4.2.46816.3.2.42032.0.1.823

Weakness: CWE-400 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

References

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5601.php technical-description, exploit
https://www.exploit-db.com/exploits/48951 exploit
https://packetstorm.news/files/id/159602 exploit
https://cxsecurity.com/issue/WLB-2020100122 exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/190031 vdb-entry
http://www.request.com/ product
https://www.vulncheck.com/advisories/request-serious-play-f3-media-server-remote-dos third-party-advisory