CVE-2016-8276

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-10-03 · updated 2026-06-17
Weakness: CWE-119

Description

Buffer overflow in the Point-to-Point Protocol over Ethernet (PPPoE) module in Huawei USG2100, USG2200, USG5100, and USG5500 unified security gateways with software before V300R001C10SPC600, when CHAP authentication is configured on the server, allows remote attackers to cause a denial of service (server restart) or execute arbitrary code via crafted packets sent during authentication.

Affected products

Huawei Usg2100: v300r001c00, v300r001c10
Huawei Usg2200: v300r001c00, v300r001c10
Huawei Usg5100: v300r001c00, v300r001c10
Huawei Usg5500: v300r001c00, v300r001c10

References

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160914-01-usg-en
http://www.securityfocus.com/bid/92962
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160914-01-usg-en
http://www.securityfocus.com/bid/92962

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