CVE-2017-15324 — Huawei S5700 and S6700 with software of V200R005C00 have a DoS vulnerability due to insufficient validation of the Network Quality Analysis (NQA) packets

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HIGH

Huawei S5700 and S6700 with software of V200R005C00 have a DoS vulnerability due to insufficient validation of the Network Quality Analysis (NQA) packets

Published Dec 22, 2017

7.5

HIGH

CVSS 3.0

EPSS 1.29%

Description

Huawei S5700 and S6700 with software of V200R005C00 have a DoS vulnerability due to insufficient validation of the Network Quality Analysis (NQA) packets. A remote attacker could exploit this vulnerability by sending malformed NQA packets to the target device. Successful exploitation could make the device restart.

Affected products

Vendor Huawei Technologies Co., Ltd. Product n/a Default
n/a
- Version
  V200R005C00
  Status
  affected
  Constraints
  -
- Version
  V200R006C00
  Status
  affected
  Constraints
  -
- Version
  V200R006C10
  Status
  affected
  Constraints
  -
- Version
  V200R007C00
  Status
  affected
  Constraints
  -
- Version
  V200R007C01
  Status
  affected
  Constraints
  -
- Version
  V200R007C20
  Status
  affected
  Constraints
  -
- Version
  V200R008C00
  Status
  affected
  Constraints
  -
- Version
  V200R009C00
  Status
  affected
  Constraints
  -
- Version
  V200R010C00
  Status
  affected
  Constraints
  -
- Version
  V200R011C00
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Huawei Technologies Co., Ltd.

n/a

Version	Status	Constraints
V200R005C00	affected	-
V200R006C00	affected	-
V200R006C10	affected	-
V200R007C00	affected	-
V200R007C01	affected	-
V200R007C20	affected	-
V200R008C00	affected	-
V200R009C00	affected	-
V200R010C00	affected	-
V200R011C00	affected	-

Remediation

No remediation recorded yet.

Metrics

1.29% 0.01295

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01295

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.29% (0.01295)	69.28th	v5 (v2026.06.15)
Sep 20, 2026	1.29% (0.01295)	69.03th	v5 (v2026.06.15)
Jul 20, 2024	0.22% (0.00218)	60.23th	v3 (v2023.03.01)
Jan 10, 2024	0.22% (0.00218)	59.76th	v3 (v2023.03.01)
Mar 7, 2023	0.22% (0.00216)	57.75th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)
Feb 3, 2022	0.52% (0.00523)	12.55th	v5 (v2026.06.15)
Apr 14, 2021	0.52% (0.00523)	0.00th	v1