CVE-2021-37379

5.4 mediumEPSS 0.6%

Medium (5.4) in teradek sphere firmware. EPSS 0.6% chance of exploitation in the next 30 days.

Cross Site Scripting (XSS) vulnerability in Teradek Sphere all firmware versions allows remote attackers to run arbitrary code via the Friendly Name field in System Information Settings. NOTE: Vedor states the product has reached End of Life and will not be receiving any firmware updates to address this issue.

Severity

CVSS 3.1

5.4 medium

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2023-02-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

teradek:sphere_firmware

References

https://tbutler.org/2021/04/29/teradek-vulnerability-advisory
https://tbutler.org/2021/04/29/teradek-vulnerability-advisory

Check your stack JSON