What’s Vulnerable › Vulnerabilities

CVE-2016-10401

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 12.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-07-25 · updated 2026-06-17
• Weakness: CWE-255

Description

ZyXEL PK5001Z devices have zyad5001 as the su password, which makes it easier for remote attackers to obtain root access if a non-root account password is known (or a non-root default account exists within an ISP's deployment of these devices).

Affected products

• Zyxel Pk5001Z Firmware: all versions

References

• https://forum.openwrt.org/viewtopic.php?id=62266
• https://www.exploit-db.com/exploits/43105/
• https://forum.openwrt.org/viewtopic.php?id=62266
• https://www.exploit-db.com/exploits/43105/

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