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CVE-2020-9499

HIGH
7.2
CVSS Score
Published: April 9, 2020 at 01:19 PM UTC
Updated: June 17, 2026 at 03:28 AM UTC
40 products affected across 1 vendorSD6AL FirmwareSD50 FirmwareSD52C Firmware· also runs on 1 platform

Using IPC-HX2XXX Series,IPC-HXXX5X4X Series,IPC-HX5842H,IPC-HX7842H,NVR 5x Series,NVR 4x Series,SD6AL Series,SD5A Series,SD1A Series,PTZ1A Series,SD50/52C Series by N/A?

Get instant alerts when new vulnerabilities affect IPC-HX2XXX Series,IPC-HXXX5X4X Series,IPC-HX5842H,IPC-HX7842H,NVR 5x Series,NVR 4x Series,SD6AL Series,SD5A Series,SD1A Series,PTZ1A Series,SD50/52C Series - before attackers find them.

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Severity
HIGH7.2
Exploit prediction
EPSS 2%

Description

Some Dahua products have buffer overflow vulnerabilities. After the successful login of the legal account, the attacker sends a specific DDNS test command, which may cause the device to go down.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ipc HX2XXX Firmware· Dahuasecurity
95%
v < 2019-12
Affected range stops below 2019-12, so it looks safe — our inference, not a vendor statement
dahuasecurity-ipc-hx2xxx (same device)
Ipc HX5842H Firmware· Dahuasecurity
95%
v < 2019-12
Affected range stops below 2019-12, so it looks safe — our inference, not a vendor statement
dahuasecurity-ipc-hx5842h (same device)
Ipc HX7842H Firmware· Dahuasecurity
95%
v < 2019-12
Affected range stops below 2019-12, so it looks safe — our inference, not a vendor statement
dahuasecurity-ipc-hx7842h (same device)
Ipc HXXX5X4X Firmware· Dahuasecurity
95%
v < 2019-12
Affected range stops below 2019-12, so it looks safe — our inference, not a vendor statement
dahuasecurity-ipc-hxxx5x4x (same device)
N42B1P Firmware· Dahuasecurity
95%
v < 2019-12
Affected range stops below 2019-12, so it looks safe — our inference, not a vendor statement
dahuasecurity-n42b1p (same device)
N42B2P Firmware· Dahuasecurity
95%
v < 2019-12
Affected range stops below 2019-12, so it looks safe — our inference, not a vendor statement
dahuasecurity-n42b2p (same device)
N42B3P Firmware· Dahuasecurity
95%
v < 2019-12
Affected range stops below 2019-12, so it looks safe — our inference, not a vendor statement
dahuasecurity-n42b3p (same device)
N52A4P Firmware· Dahuasecurity
95%
v < 2019-12
Affected range stops below 2019-12, so it looks safe — our inference, not a vendor statement
dahuasecurity-n52a4p (same device)
N52B2P Firmware· Dahuasecurity
95%
v < 2019-12
Affected range stops below 2019-12, so it looks safe — our inference, not a vendor statement
dahuasecurity-n52b2p (same device)
N52B3P Firmware· Dahuasecurity
95%
v < 2019-12
Affected range stops below 2019-12, so it looks safe — our inference, not a vendor statement
dahuasecurity-n52b3p (same device)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.dahuasecurity.com/support/cybersecurity/details/727

CVSS

7.2HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120

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