What’s Vulnerable › Vulnerabilities

CVE-2019-14656

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-10-08 · updated 2026-06-17
• Weakness: CWE-434

Description

Yealink phones through 2019-08-04 do not properly check user roles in POST requests. Consequently, the default User account (with a password of user) can make admin requests via HTTP.

Affected products

• Yeahlink T49G Firmware: through 2019-08-04
• Yeahlink T58V Firmware: through 2019-08-04
• Yeahlink Vp59 Firmware: through 2019-08-04

References

• http://cerebusforensics.com/yealink/exploit.html
• https://sway.office.com/3pCb559LYVuT0eig
• http://cerebusforensics.com/yealink/exploit.html
• https://sway.office.com/3pCb559LYVuT0eig

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