CVE-2016-8276

high-risk
Published 2016-10-03

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.

Do I need to act?

~
3.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (8)

Usg2100
Usg2200
Usg5100
Usg5100
Usg5500
Usg2100
Usg2200
Usg5500

Affected Vendors

Huawei

References (4)

Vendor Advisory http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160914-01-usg-en
Third Party Advisory http://www.securityfocus.com/bid/92962
Vendor Advisory http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160914-01-usg-en
Third Party Advisory http://www.securityfocus.com/bid/92962
52
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 6/34 · Minimal
Exposure 14/34 · Moderate