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CVE-2021-37377

20
FAUCET Score

CVE-2021-37377 is a Cross-Site Scripting (XSS) vulnerability affecting Teradek Brik firmware versions 7.2.x and earlier, allowing remote attackers to execute arbitrary code through the Friendly Name field. This vulnerability has a medium severity CVSS score of 5.4, indicating a low attack complexity and requiring user interaction, with potential for limited confidentiality and integrity impact. While no active exploits, public exploit code, or significant community discussion have been observed, Teradek has stated the product is End-of-Life and will not receive a patch.

Impacted Technologies

VendorProductVersion(s)CPE
>= 7.2.0, <= 7.2.2CPE matchmatch criteria
cpe:2.3:o:teradek:brik_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.59%
Probability of exploitation in next 30 days
EPSS Percentile
44.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0059 is in the 72nd percentile among its peer group of 15,225 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

tbutler.org / 2021/04/29/teradek-vulnerability-advisory
ExploitThird Party Advisory