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Fencer Vulns
critical 9.8

CVE-2021-37913 json

HGiga OAKlouds - Command Injection-2

published 2021-09-15 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-24391

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

The HGiga OAKlouds mobile portal does not filter special characters of the IPv6 Gateway parameter of the network interface card setting page. Remote attackers can use this vulnerability to perform command injection and execute arbitrary commands in the system without logging in.

Exploit prediction

2.83% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • HGiga OAKlouds OAKSv2
  • HGiga OAKlouds OAKSv3

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns 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.