SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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,…

HIGH 7.5EPSS 0.97%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.97%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.97% probability · 62th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-125
Affected
huawei/quidway s2700 firmware · huawei/quidway s5300 firmware · huawei/quidway s5700 firmware · huawei/s2300 firmware · huawei/s2700 firmware · huawei/s5300 firmware · huawei/s5700 firmware · huawei/s600-e firmware · huawei/s6300 firmware · huawei/s6700 firmware
Source
psirt@huawei.com
EPSS trend
0%3%5%27 October 2026: 0.97%27 October 202627 October 2026

EPSS 1.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.