CVE-2023-53776

Dbbroadcast Sft Dab 600/c Firmware authentication bypass

8.8 HIGHPublic exploitEPSS 0.48%

Published10 Dec 2025

Description

Screen SFT DAB 1.9.3 contains an authentication bypass vulnerability that allows attackers to exploit weak session management by reusing IP-bound session identifiers. Attackers can issue unauthorized requests to the device management API by leveraging the session binding mechanism to perform critical operations on the transmitter.

CVSS 3.1 breakdown

Attack vectorAdjacent

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Affected products

Dbbroadcast Sft Dab 600/c Firmware1.9.3

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

https://www.dbbroadcast.comProduct
https://www.dbbroadcast.com/products/radio/sft-dab-series-compact-air/Product
https://www.exploit-db.com/exploits/51459ExploitThird Party Advisory
https://www.screen.itProduct
https://www.vulncheck.com/advisories/screen-sft-dab-authentication-bypass-via-session-management-weaknessThird Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5775.phpThird Party Advisory

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2023-53776 being actively exploited?

CVE-2023-53776 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.48%.

How severe is CVE-2023-53776?

CVE-2023-53776 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.48% probability of exploitation.

Which products are affected by CVE-2023-53776?

Affected products include Dbbroadcast Sft Dab 600/c Firmware.

How do I fix CVE-2023-53776?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-53776 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation works Book a demo

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.