CVE-2019-18842: A cross-site scripting (XSS) vulnerability in the configuration web interface of the Jinan USR IOT USR-WIFI232
CVE-2019-18842 is a medium-severity flaw (CVSS 6.1) affecting usr-wifi232-s firmware, usr-wifi232-t firmware, usr-wifi232-g2 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A cross-site scripting (XSS) vulnerability in the configuration web interface of the Jinan USR IOT USR-WIFI232-S/T/G2/H Low Power WiFi Module with web version 1.2.2 allows attackers to leak credentials of the Wi-Fi access point the module is logged into, and the web interface login credentials, by opening a Wi-Fi access point nearby with a malicious SSID.
Why this priority
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.7% (top 47%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2020-01-06 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2019-18842?
usr-wifi232-s firmware: mitigate or apply the listed mitigation; usr-wifi232-t firmware: mitigate or apply the listed mitigation; usr-wifi232-g2 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2019-18842 being exploited?
CVE-2019-18842 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-2019-18842 affect?
CVE-2019-18842 affects usr-wifi232-s firmware, usr-wifi232-t firmware, usr-wifi232-g2 firmware. Severity is medium (CVSS 6.1). A cross-site scripting (XSS) vulnerability in the configuration web interface of the Jinan USR IOT USR-WIFI232-S/T/G2/H Low Power WiFi Module with web version 1.2.2 allows attackers to leak credentials of the Wi-Fi access point the module i
How urgent is CVE-2019-18842?
Priority 40/100. Public exploit reference