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CVE-2021-37913

32
FAUCET Score

CVE-2021-37913 describes a critical command injection vulnerability in the HGiga OAKlouds mobile portal, specifically affecting the network interface card settings. This flaw allows unauthenticated remote attackers to execute arbitrary commands on the system due to improper filtering of special characters in the IPv6 Gateway parameter. With a CVSS score of 9.8 (CRITICAL), the vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog and lacking public Metasploit or ExploitDB modules, the vulnerability has garnered significant community discussion, indicating potential interest in developing exploits.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0, <= 2.0-2CPE matchmatch criteria
cpe:2.3:a:hgiga:oaklouds_portal:*:*:*:*:*:*:*:*
>= 3.0, <= 3.0-2CPE matchmatch criteria
cpe:2.3:a:hgiga:oaklouds_portal:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.83%
Probability of exploitation in next 30 days
EPSS Percentile
85.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0283 is in the 76th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

twcert.org.tw / tw/cp-132-5092-f88e2-1.html
Third Party Advisory