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CVE-2021-26611: HejHome GKW-IC052 IP Camera contained a hard-coded credentials vulnerability

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This month
HIGH 8.1REMOTEMITIGATE

CVE-2021-26611 is a high-severity flaw (CVSS 8.1) affecting hejhome gkw-ic052 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

HejHome GKW-IC052 IP Camera contained a hard-coded credentials vulnerability. This issue allows remote attackers to operate the IP Camera.(reboot, factory reset, snapshot etc..)

Why this priority

  • High severity
  • Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score8.1 (High)
Attack vectorNetwork (remote)
Attack complexityHigh
Privileges neededNone
User interactionNone
EPSS exploit chance1.2% (top 33%)
CISA exploited listNo
WeaknessCWE-798
Published2021-11-26
Last modified2026-06-17
Publisher (CNA): KrCERT/CC · Vendor: hej

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

hej hejhome gkw-ic052 firmware MITIGATE
Affected: 2.9.5 · 2.9.6 · 2.9.7 · 4.0.4
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.9.5
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-26611?

hejhome gkw-ic052 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-26611 being exploited?

CVE-2021-26611 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-26611 affect?

CVE-2021-26611 affects hejhome gkw-ic052 firmware. Severity is high (CVSS 8.1). HejHome GKW-IC052 IP Camera contained a hard-coded credentials vulnerability. This issue allows remote attackers to operate the IP Camera.(reboot, factory reset, snapshot etc..)

How urgent is CVE-2021-26611?

Priority 50/100. High severity; Remotely exploitable, no login, no user action

References

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