CVE-2024-21846

Electrolink FM/DAB/TV Transmitter Missing Authentication for Critical Function

State: Published
Severity: 6.9 Medium
Published: Apr 18, 2024
Updated: Aug 1, 2024
Reserved: Jan 5, 2024

Description

An unauthenticated attacker can reset the board and stop transmitter operations by sending a specially-crafted GET request to the command.cgi gateway, resulting in a denial-of-service scenario.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N	icscert
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	icscert

Weaknesses

CWE-306 Missing Authentication for Critical Function

Affected Products

Product	Versions
Compact DAB TransmitterElectrolink	10WAffected 100WAffected 250WAffected
Medium DAB TransmitterElectrolink	500WAffected 1kWAffected 2kWAffected
High Power DAB TransmitterElectrolink	2.5kWAffected 3kWAffected 4kWAffected 5kWAffected
Compact FM TransmitterElectrolink	Compact FM TransmitterAffected 500WAffected 1kWAffected 2kWAffected
Modular FM TransmitterElectrolink	3kWAffected 5kWAffected 10kWAffected 15kWAffected 20kWAffected 30kWAffected
Digital FM TransmitterElectrolink	15W through 40kWAffected
VHF TV TransmitterElectrolink	BIAffected BIIIAffected
UHF TV TransmitterElectrolink	10W through 5kWAffected

References

https://www.cisa.gov/news-events/ics-advisories/icsa-24-107-02

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