CVE-2015-8677

What it is

Memory leak in Huawei S5300EI, S5300SI, S5310HI, and S6300EI Campus series switches with software V200R003C00 before V200R003SPH011 and V200R005C00 before V200R005SPH008; S2350EI and S5300LI Campus series switches with software V200R003C00 before V200R003SPH011, V200R005C00 before V200R005SPH008, and V200R006C00 before V200R006SPH002; S9300, S7700, and S9700 Campus series switches with software V200R003C00 before V200R003SPH011, V200R005C00 before V200R005SPH009, and V200R006C00 before V200R006SPH003; S5720HI and S5720EI Campus series switches with software V200R006C00 before V200R006SPH002; and S2300 and S3300 Campus series switches with software V100R006C05 before V100R006SPH022 allows remote authenticated users to cause a denial of service (memory consumption and device restart) by logging in and out of the (1) HTTPS or (2) SFTP server, related to SSL session information.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. High risk of service disruption.

Exploit odds

1.1% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2016-04-14 15:59 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 00:35 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.1% in the next 30 days (EPSS).
• Severity: 6.5 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2016-04-14 15:59 UTC

Last modified

2026-06-17 00:35 UTC

Exploit probability

1.1% · EPSS, next 30 days

Weakness

CWE-399

Record status

Modified

Affected

• Huawei s5300ei Firmware < v200r003sph011
• Huawei s5300ei Firmware < v200r005sph008
• Huawei s5300si Firmware < v200r001sph018
• Huawei s5300si Firmware < v200r003sph011
• Huawei s5310hi Firmware < v200r001sph018
• Huawei s5310hi Firmware < v200r003sph011
• Huawei s6300ei Firmware < v200r001sph018
• Huawei s6300ei Firmware < v200r003sph011

Attack profile CVSS 3.0 · 6.5

Attack vector

Network

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

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