CVE-2023-53776: Screen SFT DAB 1.9.3 contains an authentication bypass vulnerability that allows attackers to exploit weak ses

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HIGH 8.8MITIGATE

CVE-2023-53776 is a high-severity flaw (CVSS 8.8) affecting sft dab 600\/c firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-384
Published	2025-12-10
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: dbbroadcast

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-10 22:16 UTCPublished CVE record published
2026-06-17 06:46 UTCUpdated Record last modified

dbbroadcast sft dab 600\/c firmware MITIGATE

Affected: 1.9.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.9.3

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-53776?

sft dab 600\/c firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-53776 being exploited?

CVE-2023-53776 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-53776 affect?

CVE-2023-53776 affects sft dab 600\/c firmware. Severity is high (CVSS 8.8). 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

How urgent is CVE-2023-53776?

Priority 46/100. High severity; Public exploit reference

Related CVEs

CVE-2023-53969 HIGH 7.5 MITIGATE Screen SFT DAB 600/C firmware 1.9.3 contains a session management vulnerability that allows attackers to bypas
CVE-2023-7328 MEDIUM 5.3 UPGRADE Screen SFT DAB 600/C firmware versions up to and including 1.9.3 contain an improper access control on the use
CVE-2023-53970 HIGH 7.5 MITIGATE Screen SFT DAB 600/C Firmware 1.9.3 contains a weak session management vulnerability that allows attackers to
CVE-2023-53968 CRITICAL 9.8 MITIGATE Screen SFT DAB 600/C Firmware 1.9.3 contains a session management vulnerability that allows attackers to bypas
CVE-2023-53967 HIGH 7.5 MITIGATE Screen SFT DAB 600/C firmware 1.9.3 contains an authentication bypass vulnerability that allows attackers to c

References

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