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In August 2022, cybersecurity firm CYFIRMA identified more than 80,000 unpatched Hikvision devices among approximately 285,000 Hikvision devices it found accessible from the internet, according to SecurityWeek. The figure is a dated scan estimate, not a count of devices vulnerable today. The issue was CVE-2021-36260, a serious command-injection vulnerability that could let an unauthenticated attacker take control of an affected device if its web server was reachable.
What the 80,000 figure does—and does not—show
SecurityWeek reported on August 24, 2022, that CYFIRMA found more than 80,000 unpatched devices among roughly 285,000 internet-accessible Hikvision devices. The report also cited a CVSS severity score of 9.8. These figures describe the reported 2022 scan; they do not establish how many devices remain vulnerable now, and the score is a severity rating rather than a measure of current exploitation or prevalence.
The primary CYFIRMA report and its detailed scan methodology are not available in the cited material, so the device-identification criteria and scope cannot be independently described here. No current device count is established by these sources.
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1Clear out junk files and repair common Windows errors2Scan for outdated or missing drivers - takes under a minute3Repair Windows errors before they cause bigger problemsWhat CVE-2021-36260 allowed an attacker to do
The NIST National Vulnerability Database entry describes CVE-2021-36260 as a command-injection vulnerability in the web server of some Hikvision products, caused by insufficient input validation. A crafted message containing malicious commands could trigger the flaw.
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According to SecurityWeek’s 2022 report, an attacker did not need to authenticate, but did need network access to the device’s HTTP(S) server port. Successful exploitation could provide root access and full control of the device, with potential risk to other systems on the surrounding network. The scope is some affected products, not every Hikvision camera or device.
How owners can assess and reduce risk
- Identify the exact device. Record its model and installed firmware version. Do not assume that a firmware package or version applies across all Hikvision products.
- Check the matching vendor information. Use Hikvision’s product-specific support material to find the firmware guidance for that model. Its firmware search guidance explains how to look up updates; it is not a universal affected-model list. Hikvision guidance shown there says versions predating 210628 may be affected, but owners should confirm applicability for their specific product.
- Install the applicable vendor firmware. Follow the instructions for the exact model and verify the device reports the expected installed version afterward. SecurityWeek reported that fixes had been available since September 2021.
- Review network reachability. Check whether the camera’s HTTP(S) service can be reached from the public internet. Restrict direct internet access that is not necessary, using appropriate network controls; remote viewing should not require exposing the device’s web service indiscriminately.
A device’s model, firmware, and network exposure all matter to a present-day assessment. The 2022 scan alone cannot determine whether a particular camera is still vulnerable or reachable.
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What is not established about current exposure
The cited material provides no current count of exposed Hikvision devices and does not verify the vulnerability’s current status in CISA’s Known Exploited Vulnerabilities catalog. It also does not provide a complete affected-model matrix. For an individual device, rely on its exact model and firmware details, applicable Hikvision guidance, and its actual network configuration rather than extrapolating from the 2022 estimate.
A 2025 Journal of Cybersecurity paper examines vulnerabilities and regulation of China-made CCTV IoT cameras in Australia. It provides broader context, but does not update the historical 80,000-device estimate or establish a current global count for this specific flaw.
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