CVE-2016-6159
The management interface of Huawei WS331a routers with software before WS331a-10 V100R001C01B112 allows remote attackers to bypass authentication and obtain administrative access by sending "special packages" to the LAN interface.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.09%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The management interface of Huawei WS331a routers with software before WS331a-10 V100R001C01B112 allows remote attackers to bypass authentication and obtain administrative access by sending "special packages" to the LAN interface.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.09% probability · 65th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- huawei/ws331a router firmware
- Source
- cve@mitre.org
EPSS 1.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.