Privilege escalation in ZTE Smartlife

CVE-2026-86553

SmartLife app dynamically generates fresh SmartLife application authentication parameters inside its runtime process. Using the acquired SmartLife application authentication parameters, an attacker can directly call the backend interface /account/verify.serv to obtain the real account ID corresponding to a registered email address. By spoofing the application authentication information together with the target account ID, the attacker can reset the password of the target account.

Vulnerability class: Privilege Escalation

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (44.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.5% 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-2026-86553: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · 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-2026-86553?
CVE-2026-86553 is a high-severity vulnerability in ZTE Smartlife, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2026-09-20.
How severe is CVE-2026-86553?
High severity. CVSS v3 base score is 8.8 out of 10.