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CVE-2020-1866

MEDIUM
6.5
CVSS Score
Published: January 13, 2021 at 10:22 PM UTC
Updated: June 17, 2026 at 03:02 AM UTC
18 products affected across 1 vendorSecospace USG6600 FirmwareUSG9500 FirmwareNIP6800 Firmware

Using NIP6800;S12700;S2700;S5700;S6700;S7700;S9700;Secospace USG6600;USG9500 by N/A?

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.4%

Description

There is an out-of-bounds read vulnerability in several products. The software reads data past the end of the intended buffer when parsing certain crafted DHCP messages. Successful exploit could cause certain service abnormal. Affected product versions include:NIP6800 versions V500R001C30,V500R001C60SPC500,V500R005C00;S12700 versions V200R008C00;S2700 versions V200R008C00;S5700 versions V200R008C00;S6700 versions V200R008C00;S7700 versions V200R008C00;S9700 versions V200R008C00;Secospace USG6600 versions V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00;USG9500 versions V500R001C30SPC300,V500R001C30SPC600,V500R001C60SPC500,V500R005C00.

Affected

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

NIP6800 Firmware· Huawei
95%
500r001c30500r001c60spc500500r005c00
huawei-nip6800 (same device)
S12700 Firmware· Huawei
95%
200r008c00
huawei-s12700 (same device)
S2700 Firmware· Huawei
95%
200r008c00
huawei-s2700 (same device)
S5700 Firmware· Huawei
95%
200r008c00
huawei-s5700 (same device)
S6700 Firmware· Huawei
95%
200r008c00
huawei-s6700 (same device)
S7700 Firmware· Huawei
95%
200r008c00
huawei-s7700 (same device)
S9700 Firmware· Huawei
95%
200r008c00
huawei-s9700 (same device)
Secospace USG6600 Firmware· Huawei
95%
500r001c30spc200500r001c30spc600500r001c60spc500500r005c00
huawei-secospace-usg6600 (same device)
USG9500 Firmware· Huawei
95%
500r001c30spc300500r001c30spc600500r001c60spc500500r005c00
huawei-usg9500 (same device)
NIP6800· Huawei
60%
200R008C00500R001C30500R001C30SPC200500R001C30SPC300500R001C30SPC600500R001C60SPC500500R005C00

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.huawei.com/en/psirt/security-advisories/huawei-sa-20200122-09-eudemon-en

CVSS

6.5MEDIUM[email protected]
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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