How severe is CVE-2017-15343?

CVE-2017-15343 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-15343 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-15343?

CVE-2017-15343 primarily affects Huawei Ar120-s Firmware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-15343?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-15343 published?

CVE-2017-15343 was published on 2018-02-15 and last updated on 2026-06-17.

CVE-2017-15343

CVE-2017-15343 is a high-severity vulnerability in Huawei Ar120-s Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Huawei Ar120-s Firmware
Published: 2018-02-15
Last modified: 2026-06-17

Description

Huawei AR3200 with software V200R006C10, V200R006C11, V200R007C00, V200R007C01, V200R007C02, V200R008C00, V200R008C10, V200R008C20, V200R008C30 has an integer overflow vulnerability. The software does not sufficiently validate certain field in SCTP messages, a remote unauthenticated attacker could send a crafted SCTP message to the device. Successful exploit could system reboot.

Frequently asked questions

What is CVE-2017-15343?: Huawei AR3200 with software V200R006C10, V200R006C11, V200R007C00, V200R007C01, V200R007C02, V200R008C00, V200R008C10, V200R008C20, V200R008C30 has an integer overflow vulnerability. The software does not sufficiently validate certain field in SCTP messages, a remote unauthenticated attacker could send a crafted SCTP message to the device. Successful exploit could system reboot.
How severe is CVE-2017-15343?: CVE-2017-15343 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-15343 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-15343?: CVE-2017-15343 primarily affects Huawei Ar120-s Firmware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-15343?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-15343 published?: CVE-2017-15343 was published on 2018-02-15 and last updated on 2026-06-17.

References

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20171129-01-sctp-en

Affected products (9)

cpe:2.3:o:huawei:ar120-s_firmware:v200r006c10:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar120-s_firmware:v200r007c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar120-s_firmware:v200r008c20:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar120-s_firmware:v200r008c30:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar1200_firmware:v200r007c01:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar1200_firmware:v200r007c02:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar3200_firmware:v200r006c11:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar3200_firmware:v200r008c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar3200_firmware:v200r008c10:*:*:*:*:*:*:*

More vulnerabilities in Huawei Ar120-s Firmware

CVE-2017-17301 — Critical (CVSS 9.8): Huawei AR120-S V200R005C32, V200R006C10, V200R007C00, V200R008C20, AR1200 V200R005C20, V200R005C32, V200R006C10,…
CVE-2019-19417 — High (CVSS 7.5): The SIP module of some Huawei products have a denial of service (DoS) vulnerability. A remote attacker could exploit…
CVE-2019-19416 — High (CVSS 7.5): The SIP module of some Huawei products have a denial of service (DoS) vulnerability. A remote attacker could exploit…
CVE-2019-19415 — High (CVSS 7.5): The SIP module of some Huawei products have a denial of service (DoS) vulnerability. A remote attacker could exploit…
CVE-2019-5304 — High (CVSS 7.5): Some Huawei products have a buffer error vulnerability. An unauthenticated, remote attacker could send specific MPLS…
CVE-2019-5294 — High (CVSS 7.5): There is an out of bound read vulnerability in some Huawei products. A remote, unauthenticated attacker may send a…

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