How severe is CVE-2023-53740?

CVE-2023-53740 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-53740 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-53740?

CVE-2023-53740 primarily affects Dbbroadcast Sft Dab 015/c Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-53740?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2023-53740 have an EU (EUVD) identifier?

Yes. CVE-2023-53740 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60186.

When was CVE-2023-53740 published?

CVE-2023-53740 was published on 2025-12-10 and last updated on 2026-06-17.

CVE-2023-53740

CVE-2023-53740 is a critical-severity vulnerability in Dbbroadcast Sft Dab 015/c Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 8.6
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-60186
Weakness: CWE-862
Affected product: Dbbroadcast Sft Dab 015/c Firmware
Published: 2025-12-10
Last modified: 2026-06-17

Description

Screen SFT DAB 1.9.3 contains an authentication bypass vulnerability that allows attackers to change the admin password without providing the current credentials. Attackers can exploit the userManager.cgx endpoint by sending a crafted JSON request with a new MD5-hashed password to directly modify the admin account.

Frequently asked questions

What is CVE-2023-53740?: Screen SFT DAB 1.9.3 contains an authentication bypass vulnerability that allows attackers to change the admin password without providing the current credentials. Attackers can exploit the userManager.cgx endpoint by sending a crafted JSON request with a new MD5-hashed password to directly modify the admin account.
How severe is CVE-2023-53740?: CVE-2023-53740 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-53740 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-53740?: CVE-2023-53740 primarily affects Dbbroadcast Sft Dab 015/c Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-53740?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-53740 have an EU (EUVD) identifier?: Yes. CVE-2023-53740 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60186.
When was CVE-2023-53740 published?: CVE-2023-53740 was published on 2025-12-10 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:dbbroadcast:sft_dab_015\/c_firmware:1.9.3:*:*:*:*:*:*:*
cpe:2.3:o:dbbroadcast:sft_dab_050\/c_firmware:1.9.3:*:*:*:*:*:*:*
cpe:2.3:o:dbbroadcast:sft_dab_150\/c_firmware:1.9.3:*:*:*:*:*:*:*
cpe:2.3:o:dbbroadcast:sft_dab_300\/c_firmware:1.9.3:*:*:*:*:*:*:*
cpe:2.3:o:dbbroadcast:sft_dab_600\/c_firmware:1.9.3:*:*:*:*:*:*:*

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