THREATPORT/VULNERABILITY/CVE-2013-4631
HIGH SEVERITY

CVE-2013-4631

Ar 1200 vulnerability

CVSS
7.8
EPSS
3.8%
EPSS pct
89th
Exploited
No known
Huawei AR 150, 200, 1200, 2200, and 3200 routers, when SNMPv3 is enabled, allow remote attackers to cause a denial of service (device crash) via malformed SNMPv3 requests that leverage unspecified overflow issues.
Affected vendor
Huawei
Affected product
Ar 1200
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2013-06-20

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to complete impact to availability.

Its EPSS score of 3.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2013-4631

  • Confirm whether Huawei Ar 1200 is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2013-4631.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2013-4631

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2013-4631 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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