Buffer overflow in Huawei Ar 1200

CVE-2013-4630

Stack-based buffer overflow on Huawei AR 150, 200, 1200, 2200, and 3200 routers, when SNMPv3 debugging is enabled, allows remote attackers to execute arbitrary code via malformed SNMPv3 requests.

Vulnerability class: Buffer Overflow

Published 2013-06-20 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 7.6 (High). Vector: AV:N/AC:H/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.039 (89.9th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.039 · newest: 0.039 · change: 0.000

Affected products

Huawei Ar 1200 — versions v200r001, v200r002, v200r003
Huawei Ar 150 — versions v200r001, v200r002, v200r003
Huawei Ar 200 — versions v200r001, v200r002, v200r003
Huawei Ar 2200 — versions v200r001, v200r002, v200r003
Huawei Ar 3200 — versions v200r001, v200r002, v200r003

Weakness classification (CWE)

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

References

www.exploit-db.com/exploits/25295 (exploit)
www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-2606… (Vendor Advisory)