What is CVE-2016-8276?

CVE-2016-8276 is a critical-severity vulnerability in Huawei Usg2100, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-10-03.

How severe is CVE-2016-8276?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Huawei Usg2100

CVE-2016-8276

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.

Vulnerability class: Buffer Overflow

EPSS: 0.056 (92.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Huawei Usg2100 — versions v300r001c00, v300r001c10
Huawei Usg2200 — versions v300r001c00, v300r001c10
Huawei Usg5100 — versions v300r001c00, v300r001c10
Huawei Usg5500 — versions v300r001c00, v300r001c10
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

psirt@huawei.com (x_refsource_CONFIRM, Vendor Advisory)
psirt@huawei.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2016-8276?: CVE-2016-8276 is a critical-severity vulnerability in Huawei Usg2100, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-10-03.
How severe is CVE-2016-8276?: Critical severity. CVSS v3 base score is 9.8 out of 10.