Privilege escalation in ZTE Smartlife

CVE-2026-86554

SmartLife app dynamically generates brand‑new SmartLife application authentication parameters within its runtime process. With the obtained SmartLife application authentication parameters, attackers can directly invoke the backend interface /account/verify.serv to determine whether a target email address is registered for a SmartLife account. If the account exists, the real backend account ID can also be retrieved.

Vulnerability class: Privilege Escalation

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (26.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-86554: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • ZTE Smartlife — versions ZTE_SL_V2.8.2_ABROAD and prior versions
  • ZTE Ztesw — versions ZTE_SL_V2.8.2_ABROAD and prior versions

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-86554?
CVE-2026-86554 is a medium-severity vulnerability in ZTE Smartlife, classified under Improper Privilege Management. CVSS score: 4.3/10. Published 2026-09-20.
How severe is CVE-2026-86554?
Medium severity. CVSS v3 base score is 4.3 out of 10.