CVE-2019-14656 json
Yealink phones through 2019-08-04 do not properly check user roles in POST requests.
published 2019-10-08 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-5816
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
1.98% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- cerebusforensics.com http://cerebusforensics.com/yealink/exploit.html referenced PoC, tagged "exploit" by a source, unverified
- sway.office.com https://sway.office.com/3pCb559LYVuT0eig referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
cerebusforensics.com
/yealink/exploit.html
exploit, third-party-advisory
-
sway.office.com
/3pCb559LYVuT0eig
exploit, third-party-advisory
Sources
- CVE List CVE-2019-14656
- NVD CVE-2019-14656
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.