What’s Vulnerable › Vulnerabilities

CVE-2020-1876

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-28 · updated 2026-06-17
• Weakness: CWE-787

Description

NIP6800;Secospace USG6600;USG9500 with versions of V500R001C30; V500R001C60SPC500; V500R005C00SPC100 have an out-of-bounds write vulnerability. An unauthenticated attacker crafts malformed packets with specific parameter and sends the packets to the affected products. Due to insufficient validation of packets, which may be exploited to cause the process reboot.

Affected products

• Huawei Nip6800 Firmware: v500r001c30, v500r001c60spc500, v500r005c00
• Huawei Technologies Co., Ltd. Secospace USG6600: v500r001c30spc600, v500r001c60spc500, v500r005c00
• Huawei USG9500: v500r001c30spc200, v500r001c30spc600, v500r001c60spc500, v500r005c00

References

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200219-01-outofwrite-en
• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200219-01-outofwrite-en

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