CVE-2021-22667

9.8 criticalEPSS 3.7%

Critical (9.8) in advantech bb-eswgp506-2sfp-t firmware. EPSS 3.7% chance of exploitation in the next 30 days.

BB-ESWGP506-2SFP-T versions 1.01.09 and prior is vulnerable due to the use of hard-coded credentials, which may allow an attacker to gain unauthorized access and permit the execution of arbitrary code on the BB-ESWGP506-2SFP-T (versions 1.01.01 and prior).

Severity

CVSS 3.1

9.8 critical

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

EPSS: 3.7% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
CWE: CWE-798
Published: 2021-02-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

advantech:bb-eswgp506-2sfp-t_firmware

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-054-02
https://www.zerodayinitiative.com/advisories/ZDI-21-593/
https://us-cert.cisa.gov/ics/advisories/icsa-21-054-02
https://www.zerodayinitiative.com/advisories/ZDI-21-593/

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