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Fencer Intel
medium 5.4

CVE-2021-37377 json

Cross Site Scripting (XSS) vulnerability in Teradek Brik firmware version 7.2.x and earlier allows remote attackers to run arbitrary code v…

published 3y ago modified 4mo ago also EUVD-2021-23946

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits
0
none known

Summary

Cross Site Scripting (XSS) vulnerability in Teradek Brik firmware version 7.2.x and earlier 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.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2y ago

Exploit prediction

0.59% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • tbutler.org https://tbutler.org/2021/04/29/teradek-vulnerability-advisory referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel 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.