How severe is CVE-2026-7786?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Jinan Usr Iot Technology Limited (Pusr) Usr-w610 Rs232/485 To Wi-fi/ethernet Converter

CVE-2026-7786

Jinan USR IOT Technology Limited (PUSR) USR-W610 RS232/485 to Wi-Fi/Ethernet Converter device firmware contains plaintext administrative credentials embedded in the firmware image. These credentials can be extracted through firmware analys…

EPSS: 0.001 (17.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Jinan Usr Iot Technology Limited (Pusr) Usr-w610 Rs232/485 To Wi-fi/ethernet Converter — versions 7.03T.07

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

Frequently asked questions

What is CVE-2026-7786?: CVE-2026-7786 is a critical-severity vulnerability in Jinan Usr Iot Technology Limited (Pusr) Usr-w610 Rs232/485 To Wi-fi/ethernet Converter, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2026-05-29.
How severe is CVE-2026-7786?: Critical severity. CVSS v3 base score is 9.8 out of 10.