What’s Vulnerable › Vulnerabilities

CVE-2021-33046

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-01-13 · updated 2026-06-17
• Weakness: CWE-287

Description

Some Dahua products have access control vulnerability in the password reset process. Attackers can exploit this vulnerability through specific deployments to reset device passwords.

Affected products

• Dahuasecurity Asc2204C Firmware: from 2017-7 through 2021-7
• Dahuasecurity Hcvr7Xxx Firmware: from 2017-7 through 2021-7
• Dahuasecurity Hcvr8Xxx Firmware: from 2017-7 through 2021-7
• Dahuasecurity Ipc-Hx1Xxx Firmware: from 2017-7 through 2021-7
• Dahuasecurity Ipc-Hx2Xxx Firmware: from 2017-7 through 2021-7
• Dahuasecurity Ipc-Hx3Xxx Firmware: from 2017-7 through 2021-7
• Dahuasecurity Ipc-Hx5(4)(3)Xxx Firmware: from 2017-7 through 2021-7
• Dahuasecurity Ipc-Hx5Xxx Firmware: from 2017-7 through 2021-7
• Dahuasecurity Nvr1Xxx Firmware: from 2017-7 through 2021-7
• Dahuasecurity Nvr2Xxx Firmware: from 2017-7 through 2021-7
• Dahuasecurity Nvr4Xxx Firmware: from 2017-7 through 2021-7
• Dahuasecurity Nvr5Xxx Firmware: from 2017-7 through 2021-7
• Dahuasecurity Sd1A1 Firmware: from 2017-7 through 2021-7
• Dahuasecurity Sd22 Firmware: from 2017-7 through 2021-7
• Dahuasecurity Sd49 Firmware: from 2017-7 through 2021-7
• Dahuasecurity Sd50 Firmware: from 2017-7 through 2021-7
• Dahuasecurity Sd52C Firmware: from 2017-7 through 2021-7
• Dahuasecurity Sd6Al Firmware: from 2017-7 through 2021-7
• Dahuasecurity Tpc-Bf1241 Firmware: from 2017-7 through 2021-7
• Dahuasecurity Tpc-Bf2221 Firmware: from 2017-7 through 2021-7
• Dahuasecurity Tpc-Bf5X01 Firmware: from 2017-7 through 2021-7
• Dahuasecurity Tpc-Pt8X21X Firmware: from 2017-7 through 2021-7
• Dahuasecurity Tpc-Sd2221 Firmware: from 2017-7 through 2021-7
• Dahuasecurity Tpc-Sd8X21 Firmware: from 2017-7 through 2021-7
• Dahuasecurity Vtox20Xf Firmware: from 2017-7 through 2021-7
• Dahuasecurity Xvr4Xxx Firmware: from 2017-7 through 2021-7
• Dahuasecurity Xvr5Xxx Firmware: from 2017-7 through 2021-7
• Dahuasecurity Xvr7Xxx Firmware: from 2017-7 through 2021-7

References

• https://support.dahuatech.com/networkSecurity/securityDetails?id=95
• https://www.dahuasecurity.com/support/cybersecurity/details/957
• https://www.dahuasecurity.com/support/cybersecurity/details/987
• https://support.dahuatech.com/networkSecurity/securityDetails?id=95
• https://www.dahuasecurity.com/support/cybersecurity/details/957
• https://www.dahuasecurity.com/support/cybersecurity/details/987

Get alerted when CVE-2021-33046 or the next vulnerability affects your stack