How severe is CVE-2017-17165?

CVE-2017-17165 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-2017-17165 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-17165?

CVE-2017-17165 primarily affects Huawei Quidway S2700 Firmware. In total, 54 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-17165?

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-2017-17165 published?

CVE-2017-17165 was published on 2018-02-15 and last updated on 2026-06-17.

CVE-2017-17165

CVE-2017-17165 is a high-severity vulnerability in Huawei Quidway S2700 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-125.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Huawei Quidway S2700 Firmware
Published: 2018-02-15
Last modified: 2026-06-17

Description

IPv6 function in Huawei Quidway S2700 V200R003C00SPC300, Quidway S5300 V200R003C00SPC300, Quidway S5700 V200R003C00SPC300, S2300 V200R003C00, V200R003C00SPC300T, V200R005C00, V200R006C00, V200R007C00, V200R008C00, V200R009C00, S2700 V200R005C00, V200R006C00, V200R007C00, V200R008C00, V200R009C00, S5300 V200R003C00, V200R003C00SPC300T, V200R003C00SPC600, V200R003C02, V200R005C00, V200R005C01, V200R005C02, V200R005C03, V200R005C05, V200R006C00, V200R007C00, V200R008C00, V200R009C00, S5700 V200R003C00, V200R003C00SPC316T, V200R003C00SPC600, V200R003C02, V200R005C00, V200R005C01, V200R005C02, V200R005C03, V200R006C00, V200R007C00, V200R008C00, V200R009C00, S600-E V200R008C00, V200R009C00, S6300 V200R003C00, V200R005C00, V200R007C00, V200R008C00, V200R009C00, S6700 V200R003C00, V200R005C00, V200R005C01, V200R005C02, V200R007C00, V200R008C00, V200R009C00 has an out-of-bounds read vulnerability. An unauthenticated attacker may send crafted malformed IPv6 packets to the affected products. Due to insufficient verification of the packets, successful exploit will cause device to reset.

Frequently asked questions

What is CVE-2017-17165?: IPv6 function in Huawei Quidway S2700 V200R003C00SPC300, Quidway S5300 V200R003C00SPC300, Quidway S5700 V200R003C00SPC300, S2300 V200R003C00, V200R003C00SPC300T, V200R005C00, V200R006C00, V200R007C00, V200R008C00, V200R009C00, S2700 V200R005C00, V200R006C00, V200R007C00, V200R008C00, V200R009C00, S5300 V200R003C00, V200R003C00SPC300T, V200R003C00SPC600, V200R003C02, V200R005C00, V200R005C01, V200R005C02, V200R005C03, V200R005C05, V200R006C00, V200R007C00, V200R008C00, V200R009C00, S5700 V200R003C00, V200R003C00SPC316T, V200R003C00SPC600, V200R003C02, V200R005C00, V200R005C01, V200R005C02, V200R005C03, V200R006C00, V200R007C00, V200R008C00, V200R009C00, S600-E V200R008C00, V200R009C00, S6300 V200R003C00, V200R005C00, V200R007C00, V200R008C00, V200R009C00, S6700 V200R003C00, V200R005C00, V200R005C01, V200R005C02, V200R007C00, V200R008C00, V200R009C00 has an out-of-bounds read vulnerability. An unauthenticated attacker may send crafted malformed IPv6 packets to the affected products. Due to insufficient verification of the packets, successful exploit will cause device to reset.
How severe is CVE-2017-17165?: CVE-2017-17165 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-2017-17165 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-17165?: CVE-2017-17165 primarily affects Huawei Quidway S2700 Firmware. In total, 54 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-17165?: 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-2017-17165 published?: CVE-2017-17165 was published on 2018-02-15 and last updated on 2026-06-17.

References

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20171213-02-ipv6-en

Affected products (54)

cpe:2.3:o:huawei:quidway_s2700_firmware:v200r003c00spc300:*:*:*:*:*:*:*
cpe:2.3:o:huawei:quidway_s5300_firmware:v200r003c00spc300:*:*:*:*:*:*:*
cpe:2.3:o:huawei:quidway_s5700_firmware:v200r003c00spc300:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s2300_firmware:v200r003c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s2300_firmware:v200r003c00spc300t:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s2300_firmware:v200r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s2300_firmware:v200r006c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s2300_firmware:v200r007c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s2300_firmware:v200r008c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s2300_firmware:v200r009c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s2700_firmware:v200r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s2700_firmware:v200r006c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s2700_firmware:v200r007c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s2700_firmware:v200r008c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s2700_firmware:v200r009c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5300_firmware:v200r003c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5300_firmware:v200r003c00spc300t:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5300_firmware:v200r003c00spc600:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5300_firmware:v200r003c02:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5300_firmware:v200r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5300_firmware:v200r005c01:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5300_firmware:v200r005c02:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5300_firmware:v200r005c03:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5300_firmware:v200r005c05:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5300_firmware:v200r006c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5300_firmware:v200r007c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5300_firmware:v200r008c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5300_firmware:v200r009c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5700_firmware:v200r003c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5700_firmware:v200r003c00spc316t:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5700_firmware:v200r003c00spc600:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5700_firmware:v200r003c02:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5700_firmware:v200r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5700_firmware:v200r005c01:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5700_firmware:v200r005c02:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5700_firmware:v200r005c03:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5700_firmware:v200r006c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5700_firmware:v200r007c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5700_firmware:v200r008c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5700_firmware:v200r009c00:*:*:*:*:*:*:*

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