Screen SFT DAB 600/C Firmware 1.9.3 Authentication Bypass Erase Account

published 2025-12-22 10 mo ago modified 2026-06-17 4 mo ago also EUVD-2023-60230

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits: 0; none known

Screen SFT DAB 600/C Firmware 1.9.3 contains a session management vulnerability that allows attackers to bypass authentication controls by exploiting IP address session binding. Attackers can reuse the same IP address and issue unauthorized requests to the userManager API to remove user accounts without proper authentication.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: total
Assessed: 10 mo ago (2025-12-22)

Exploit prediction

0.64% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

exploit-db.com https://www.exploit-db.com/exploits/51457 referenced PoC, tagged "exploit" by a source, unverified
zeroscience.mk https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5773.php referenced PoC, tagged "exploit" by a source, unverified
vulncheck.com https://www.vulncheck.com/advisories/screen-sft-dab-c-firmware-authentication-bypass-erase-account referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	9.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	4.0	9.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

DB Elettronica Telecomunicazioni SpA Screen SFT DAB 600/C

Classification

Weakness

CWE-306 Missing Authentication for Critical Functionality

References

exploit-db.com /exploits/51457
exploit
zeroscience.mk /en/vulnerabilities/ZSL-2023-5773.php
third-party-advisory, exploit
vulncheck.com /advisories/screen-sft-dab-c-firmware-authentication-bypass-erase-account
third-party-advisory, exploit
dbbroadcast.com
product
dbbroadcast.com /products/radio/sft-dab-series-compact-air/
product

Sources

CVE List CVE-2023-53968
NVD CVE-2023-53968

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary