CVE-2019-14656
Yealink phones through 2019-08-04 do not properly check user roles in POST requests.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.98%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.98% probability · 80th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- yeahlink/vp59 firmware · yeahlink/t49g firmware · yeahlink/t58v firmware
- Source
- cve@mitre.org
EPSS 2.0% 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.
References
- http://cerebusforensics.com/yealink/exploit.htmlExploit, Third Party Advisory
- https://sway.office.com/3pCb559LYVuT0eigExploit, Third Party Advisory
- http://cerebusforensics.com/yealink/exploit.htmlExploit, Third Party Advisory
- https://sway.office.com/3pCb559LYVuT0eigExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.